diff --git a/crates/relayer-cli/src/commands/evidence.rs b/crates/relayer-cli/src/commands/evidence.rs
index e2adf4b9a1..c78d79613c 100644
--- a/crates/relayer-cli/src/commands/evidence.rs
+++ b/crates/relayer-cli/src/commands/evidence.rs
@@ -103,7 +103,8 @@ impl Runnable for EvidenceCmd {
             ChainConfig::CosmosSdk(ref _cfg) => {
                 CosmosSdkChain::bootstrap(chain_config, rt.clone()).unwrap()
             }
-            ChainConfig::Penumbra(_) => todo!(),
+            // TODO: Will need to rewrite this function to work with non-cosmosSDK chains
+            ChainConfig::Penumbra(_) => todo!("current implementation expects a cosmosSDK chain"),
         };
 
         let res = monitor_misbehaviours(
diff --git a/crates/relayer-cli/src/commands/keys/add.rs b/crates/relayer-cli/src/commands/keys/add.rs
index c11547fc01..2fada8be06 100644
--- a/crates/relayer-cli/src/commands/keys/add.rs
+++ b/crates/relayer-cli/src/commands/keys/add.rs
@@ -235,7 +235,7 @@ pub fn add_key(
             keyring.add_key(key_name, key_pair.clone())?;
             key_pair.into()
         }
-        ChainConfig::Penumbra(_) => todo!(),
+        ChainConfig::Penumbra(_) => unimplemented!("no key storage support for penumbra"),
     };
 
     Ok(key_pair)
@@ -292,7 +292,7 @@ pub fn restore_key(
             keyring.add_key(key_name, key_pair.clone())?;
             key_pair.into()
         }
-        ChainConfig::Penumbra(_) => todo!(),
+        ChainConfig::Penumbra(_) => unimplemented!("no key storage support for penumbra"),
     };
 
     Ok(key_pair)
diff --git a/crates/relayer-cli/src/commands/keys/balance.rs b/crates/relayer-cli/src/commands/keys/balance.rs
index 8d59e35c7c..e971908ba5 100644
--- a/crates/relayer-cli/src/commands/keys/balance.rs
+++ b/crates/relayer-cli/src/commands/keys/balance.rs
@@ -78,7 +78,7 @@ fn get_balance(chain: impl ChainHandle, key_name: Option<String>, denom: Option<
                 match chain_config {
                     ChainConfig::CosmosSdk(chain_config) => chain_config.key_name,
                     ChainConfig::Astria(chain_config) => chain_config.key_name,
-                    ChainConfig::Penumbra(_) => todo!(),
+                    ChainConfig::Penumbra(_) => unimplemented!("no key support for penumbra"),
                 }
             });
 
@@ -102,7 +102,7 @@ fn get_balances(chain: impl ChainHandle, key_name: Option<String>) {
                 match chain_config {
                     ChainConfig::CosmosSdk(chain_config) => chain_config.key_name,
                     ChainConfig::Astria(chain_config) => chain_config.key_name,
-                    ChainConfig::Penumbra(_) => todo!(),
+                    ChainConfig::Penumbra(_) => unimplemented!("no key support for penumbra"),
                 }
             });
 
diff --git a/crates/relayer-cli/src/commands/keys/delete.rs b/crates/relayer-cli/src/commands/keys/delete.rs
index 2279264dbe..db6789f726 100644
--- a/crates/relayer-cli/src/commands/keys/delete.rs
+++ b/crates/relayer-cli/src/commands/keys/delete.rs
@@ -129,7 +129,7 @@ pub fn delete_key(config: &ChainConfig, key_name: &str) -> eyre::Result<()> {
             )?;
             keyring.remove_key(key_name)?;
         }
-        ChainConfig::Penumbra(_) => todo!(),
+        ChainConfig::Penumbra(_) => unimplemented!("no key support for penumbra"),
     }
     Ok(())
 }
@@ -160,7 +160,7 @@ pub fn delete_all_keys(config: &ChainConfig) -> eyre::Result<()> {
                 keyring.remove_key(&key_name)?;
             }
         }
-        ChainConfig::Penumbra(_) => todo!(),
+        ChainConfig::Penumbra(_) => unimplemented!("no key support for penumbra"),
     }
     Ok(())
 }
diff --git a/crates/relayer-cli/src/commands/query/packet/commitment.rs b/crates/relayer-cli/src/commands/query/packet/commitment.rs
index f6d6a94b10..9481604131 100644
--- a/crates/relayer-cli/src/commands/query/packet/commitment.rs
+++ b/crates/relayer-cli/src/commands/query/packet/commitment.rs
@@ -19,6 +19,7 @@ use crate::{
     prelude::*,
 };
 
+#[allow(dead_code)]
 #[derive(Serialize, Debug)]
 struct PacketSeqs {
     height: Height,
diff --git a/crates/relayer-cli/src/commands/tx/client.rs b/crates/relayer-cli/src/commands/tx/client.rs
index 1c813487a5..2bc8cb5be0 100644
--- a/crates/relayer-cli/src/commands/tx/client.rs
+++ b/crates/relayer-cli/src/commands/tx/client.rs
@@ -213,7 +213,10 @@ impl Runnable for TxUpdateClientCmd {
                     ChainConfig::CosmosSdk(chain_config) | ChainConfig::Astria(chain_config) => {
                         chain_config.genesis_restart = Some(restart_params)
                     }
-                    ChainConfig::Penumbra(_) => todo!(),
+                    // TODO: Will probably need to support setting restart params on Penumbra somehow
+                    ChainConfig::Penumbra(_) => {
+                        todo!("penumbra doesn't support genesis restart params")
+                    }
                 },
                 None => {
                     Output::error(format!(
diff --git a/crates/relayer/src/chain/penumbra/chain.rs b/crates/relayer/src/chain/penumbra/chain.rs
index cb09de0cc0..e269d71526 100644
--- a/crates/relayer/src/chain/penumbra/chain.rs
+++ b/crates/relayer/src/chain/penumbra/chain.rs
@@ -21,7 +21,7 @@ use tendermint_proto::Protobuf;
 use tracing::info;
 
 use crate::chain::client::ClientSettings;
-use crate::chain::cosmos::query::{abci_query, QueryResponse};
+use crate::chain::cosmos::query::{abci_query, fetch_version_specs, QueryResponse};
 use crate::chain::endpoint::ChainStatus;
 use crate::chain::requests::*;
 use crate::chain::tracking::TrackedMsgs;
@@ -587,7 +587,11 @@ impl ChainEndpoint for PenumbraChain {
     }
 
     fn shutdown(self) -> Result<(), Error> {
-        todo!()
+        if let Some(monitor_tx) = self.tx_monitor_cmd {
+            monitor_tx.shutdown().map_err(Error::event_source)?;
+        }
+
+        Ok(())
     }
 
     fn health_check(&mut self) -> Result<HealthCheck, Error> {
@@ -626,11 +630,11 @@ impl ChainEndpoint for PenumbraChain {
     }
 
     fn keybase(&self) -> &KeyRing<Self::SigningKeyPair> {
-        todo!()
+        unimplemented!("no key storage support for penumbra")
     }
 
     fn keybase_mut(&mut self) -> &mut KeyRing<Self::SigningKeyPair> {
-        todo!()
+        unimplemented!("no key storage support for penumbra")
     }
 
     fn get_signer(&self) -> Result<ibc_relayer_types::signer::Signer, Error> {
@@ -642,7 +646,13 @@ impl ChainEndpoint for PenumbraChain {
     }
 
     fn version_specs(&self) -> Result<crate::chain::cosmos::version::Specs, Error> {
-        todo!()
+        let version_specs = self.rt.block_on(fetch_version_specs(
+            self.id(),
+            &format!("{}", self.config.grpc_addr)
+                .parse::<Uri>()
+                .map_err(|_| Error::config(ConfigError::wrong_type()))?,
+        ))?;
+        Ok(version_specs)
     }
 
     fn send_messages_and_wait_commit(
@@ -731,11 +741,11 @@ impl ChainEndpoint for PenumbraChain {
         &self,
         _key_name: Option<&str>,
     ) -> Result<Vec<crate::account::Balance>, Error> {
-        todo!()
+        unimplemented!("cannot query balance of a shielded chain >:}}")
     }
 
     fn query_denom_trace(&self, _hash: String) -> Result<crate::denom::DenomTrace, Error> {
-        todo!()
+        todo!("penumbra doesn't support denom trace querying yet")
     }
 
     fn query_commitment_prefix(
@@ -913,14 +923,14 @@ impl ChainEndpoint for PenumbraChain {
         &self,
         _request: QueryUpgradedClientStateRequest,
     ) -> Result<(AnyClientState, MerkleProof), Error> {
-        todo!()
+        todo!("need to implement corresponding state query in penumbra")
     }
 
     fn query_upgraded_consensus_state(
         &self,
         _request: QueryUpgradedConsensusStateRequest,
     ) -> Result<(AnyConsensusState, MerkleProof), Error> {
-        todo!()
+        todo!("need to implement corresponding state query in penumbra")
     }
 
     fn query_connections(
@@ -1445,7 +1455,7 @@ impl ChainEndpoint for PenumbraChain {
         &self,
         _request: QueryHostConsensusStateRequest,
     ) -> Result<Self::ConsensusState, Error> {
-        todo!()
+        todo!("need to implement corresponding state query on penumbra")
     }
 
     fn build_client_state(
@@ -1510,7 +1520,9 @@ impl ChainEndpoint for PenumbraChain {
         _port_id: &ibc_relayer_types::core::ics24_host::identifier::PortId,
         _counterparty_payee: &ibc_relayer_types::signer::Signer,
     ) -> Result<(), Error> {
-        todo!()
+        // the payee is an optional payee to which reverse and timeout relayer packet
+        // fees will be paid out.
+        todo!("currently unimplemented in penumbra")
     }
 
     fn cross_chain_query(
@@ -1520,18 +1532,20 @@ impl ChainEndpoint for PenumbraChain {
         Vec<ibc_relayer_types::applications::ics31_icq::response::CrossChainQueryResponse>,
         Error,
     > {
-        todo!()
+        // https://github.com/cosmos/ibc/blob/main/spec/app/ics-031-crosschain-queries/README.md
+        todo!("not currently implemented in penumbra")
     }
 
     fn query_incentivized_packet(
         &self,
         _request: ibc_proto::ibc::apps::fee::v1::QueryIncentivizedPacketRequest,
     ) -> Result<ibc_proto::ibc::apps::fee::v1::QueryIncentivizedPacketResponse, Error> {
-        todo!()
+        // https://buf.build/cosmos/ibc/docs/e769eb46d1e742e8b0368510479161df:ibc.applications.fee.v1#ibc.applications.fee.v1.Query.IncentivizedPackets
+        todo!("not currently implemented in penumbra")
     }
 
     fn query_consumer_chains(&self) -> Result<Vec<(ChainId, ClientId)>, Error> {
-        todo!()
+        todo!("not currently implemented in penumbra")
     }
 }
 
diff --git a/tools/integration-test/src/bin/test_setup_with_binary_channel.rs b/tools/integration-test/src/bin/test_setup_with_binary_channel.rs
index bfa71f8773..055b41fd8c 100644
--- a/tools/integration-test/src/bin/test_setup_with_binary_channel.rs
+++ b/tools/integration-test/src/bin/test_setup_with_binary_channel.rs
@@ -48,7 +48,7 @@ impl TestOverrides for Test {
                     // with external relayer commands.
                     chain_config.key_store_type = Store::Test;
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
             }
         }
     }
diff --git a/tools/integration-test/src/bin/test_setup_with_fee_enabled_binary_channel.rs b/tools/integration-test/src/bin/test_setup_with_fee_enabled_binary_channel.rs
index 787b85e206..41aaf07c12 100644
--- a/tools/integration-test/src/bin/test_setup_with_fee_enabled_binary_channel.rs
+++ b/tools/integration-test/src/bin/test_setup_with_fee_enabled_binary_channel.rs
@@ -49,7 +49,7 @@ impl TestOverrides for Test {
                     // with external relayer commands.
                     chain_config.key_store_type = Store::Test;
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
             }
         }
     }
diff --git a/tools/integration-test/src/bin/test_setup_with_ternary_channel.rs b/tools/integration-test/src/bin/test_setup_with_ternary_channel.rs
index de32105ba7..5fccf2562d 100644
--- a/tools/integration-test/src/bin/test_setup_with_ternary_channel.rs
+++ b/tools/integration-test/src/bin/test_setup_with_ternary_channel.rs
@@ -48,7 +48,7 @@ impl TestOverrides for Test {
                     // with external relayer commands.
                     chain_config.key_store_type = Store::Test;
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
             }
         }
     }
diff --git a/tools/integration-test/src/mbt/transfer.rs b/tools/integration-test/src/mbt/transfer.rs
index 3acb8f6486..2c2e5038d1 100644
--- a/tools/integration-test/src/mbt/transfer.rs
+++ b/tools/integration-test/src/mbt/transfer.rs
@@ -164,7 +164,8 @@ impl TestOverrides for IbcTransferMBT {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.trusting_period = Some(CLIENT_EXPIRY);
                 }
-                ChainConfig::Penumbra(_) | ChainConfig::Astria(_) => todo!(),
+                ChainConfig::Penumbra(_chain_config) => {}
+                ChainConfig::Astria(_) => todo!(),
             }
         }
     }
diff --git a/tools/integration-test/src/tests/async_icq/simple_query.rs b/tools/integration-test/src/tests/async_icq/simple_query.rs
index 97b29c6776..8403e3fce4 100644
--- a/tools/integration-test/src/tests/async_icq/simple_query.rs
+++ b/tools/integration-test/src/tests/async_icq/simple_query.rs
@@ -143,7 +143,7 @@ fn assert_eventual_async_icq_success<ChainA: ChainHandle, ChainB: ChainHandle>(
 ) -> Result<(), Error> {
     let rpc_addr = match relayer.config.chains.first().unwrap() {
         ChainConfig::CosmosSdk(c) => c.rpc_addr.clone(),
-        ChainConfig::Penumbra(_c) => todo!(),
+        ChainConfig::Penumbra(c) => c.rpc_addr.clone(),
         ChainConfig::Astria(_c) => todo!(),
     };
 
diff --git a/tools/integration-test/src/tests/clear_packet.rs b/tools/integration-test/src/tests/clear_packet.rs
index 6e036293e4..cfd78a182c 100644
--- a/tools/integration-test/src/tests/clear_packet.rs
+++ b/tools/integration-test/src/tests/clear_packet.rs
@@ -325,7 +325,7 @@ impl TestOverrides for ClearPacketOverrideTest {
             match chain_config {
                 // Use a small clear interval in the chain configurations to override the global high interval
                 ChainConfig::CosmosSdk(chain_config) => chain_config.clear_interval = Some(10),
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(chain_config) => chain_config.clear_interval = Some(10),
                 ChainConfig::Astria(_) => todo!(),
             }
         }
diff --git a/tools/integration-test/src/tests/client_expiration.rs b/tools/integration-test/src/tests/client_expiration.rs
index 562e504b62..762af74c4c 100644
--- a/tools/integration-test/src/tests/client_expiration.rs
+++ b/tools/integration-test/src/tests/client_expiration.rs
@@ -123,7 +123,7 @@ impl TestOverrides for ExpirationTestOverrides {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.trusting_period = Some(CLIENT_EXPIRY);
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
                 ChainConfig::Astria(_) => todo!(),
             }
         }
diff --git a/tools/integration-test/src/tests/client_settings.rs b/tools/integration-test/src/tests/client_settings.rs
index f4643af99f..05393f16f5 100644
--- a/tools/integration-test/src/tests/client_settings.rs
+++ b/tools/integration-test/src/tests/client_settings.rs
@@ -37,7 +37,11 @@ impl TestOverrides for ClientDefaultsTest {
                 chain_config_a.trusting_period = Some(Duration::from_secs(120_000));
                 chain_config_a.trust_threshold = TrustThreshold::new(13, 23).unwrap();
             }
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(chain_config_a) => {
+                chain_config_a.clock_drift = Duration::from_secs(3);
+                chain_config_a.max_block_time = Duration::from_secs(5);
+                chain_config_a.trust_threshold = TrustThreshold::new(13, 23).unwrap();
+            }
             ChainConfig::Astria(_) => todo!(),
         }
 
@@ -48,7 +52,11 @@ impl TestOverrides for ClientDefaultsTest {
                 chain_config_b.trusting_period = Some(Duration::from_secs(340_000));
                 chain_config_b.trust_threshold = TrustThreshold::TWO_THIRDS;
             }
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(chain_config_b) => {
+                chain_config_b.clock_drift = Duration::from_secs(6);
+                chain_config_b.max_block_time = Duration::from_secs(15);
+                chain_config_b.trust_threshold = TrustThreshold::TWO_THIRDS;
+            }
             ChainConfig::Astria(_) => todo!(),
         }
     }
diff --git a/tools/integration-test/src/tests/dynamic_gas_fee.rs b/tools/integration-test/src/tests/dynamic_gas_fee.rs
index 32d223564b..3a9c2354f8 100644
--- a/tools/integration-test/src/tests/dynamic_gas_fee.rs
+++ b/tools/integration-test/src/tests/dynamic_gas_fee.rs
@@ -52,7 +52,9 @@ impl TestOverrides for DynamicGasTest {
                     GasPrice::new(0.1, chain_config_a.gas_price.denom.clone());
                 chain_config_a.dynamic_gas_price = DynamicGasPrice::unsafe_new(false, 1.1, 0.6);
             }
-            ChainConfig::Penumbra(_chain_config_a) => todo!(),
+            ChainConfig::Penumbra(_chain_config_a) => {
+                todo!("need to implement gas support for penumbra chains")
+            }
             ChainConfig::Astria(_chain_config_a) => todo!(),
         }
 
@@ -63,7 +65,9 @@ impl TestOverrides for DynamicGasTest {
                 chain_config_b.dynamic_gas_price =
                     DynamicGasPrice::unsafe_new(self.dynamic_gas_enabled, 1.1, 0.6);
             }
-            ChainConfig::Penumbra(_chain_config_b) => todo!(),
+            ChainConfig::Penumbra(_chain_config_a) => {
+                todo!("need to implement gas support for penumbra chains")
+            }
             ChainConfig::Astria(_chain_config_b) => todo!(),
         }
     }
diff --git a/tools/integration-test/src/tests/fee/filter_fees.rs b/tools/integration-test/src/tests/fee/filter_fees.rs
index 0eb322ecdb..ae62d5e164 100644
--- a/tools/integration-test/src/tests/fee/filter_fees.rs
+++ b/tools/integration-test/src/tests/fee/filter_fees.rs
@@ -33,7 +33,9 @@ impl TestOverrides for FilterIncentivizedFeesRelayerTest {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.packet_filter = packet_filter.clone();
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(chain_config) => {
+                    chain_config.packet_filter = packet_filter.clone();
+                }
                 ChainConfig::Astria(_) => todo!(),
             }
         }
@@ -204,7 +206,9 @@ impl TestOverrides for FilterByChannelIncentivizedFeesRelayerTest {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.packet_filter = packet_filter.clone();
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(chain_config) => {
+                    chain_config.packet_filter = packet_filter.clone();
+                }
                 ChainConfig::Astria(_) => todo!(),
             }
         }
diff --git a/tools/integration-test/src/tests/fee_grant.rs b/tools/integration-test/src/tests/fee_grant.rs
index 77cf2354ed..ebabbc655a 100644
--- a/tools/integration-test/src/tests/fee_grant.rs
+++ b/tools/integration-test/src/tests/fee_grant.rs
@@ -81,7 +81,9 @@ impl BinaryChannelTest for FeeGrantTest {
             .ok_or_else(|| eyre!("chain configuration is empty"))?
         {
             ChainConfig::CosmosSdk(chain_config) => chain_config.gas_price.denom.clone(),
-            ChainConfig::Penumbra(_chain_config) => todo!(),
+            ChainConfig::Penumbra(_chain_config) => {
+                todo!("need to implement gas support for penumbra chains")
+            }
             ChainConfig::Astria(_chain_config) => todo!(),
         };
 
@@ -108,7 +110,9 @@ impl BinaryChannelTest for FeeGrantTest {
                         ChainConfig::CosmosSdk(c) => {
                             c.fee_granter = Some("user2".to_owned());
                         }
-                        ChainConfig::Penumbra(_c) => todo!(),
+                        ChainConfig::Penumbra(_chain_config) => {
+                            todo!("need to implement gas support for penumbra chains")
+                        }
                         ChainConfig::Astria(_c) => todo!(),
                     }
                 }
@@ -228,7 +232,9 @@ impl BinaryChannelTest for NoFeeGrantTest {
             .ok_or_else(|| eyre!("chain configuration is empty"))?
         {
             ChainConfig::CosmosSdk(chain_config) => chain_config.gas_price.denom.clone(),
-            ChainConfig::Penumbra(_chain_config) => todo!(),
+            ChainConfig::Penumbra(_chain_config) => {
+                todo!("need to implement gas support for penumbra chains")
+            }
             ChainConfig::Astria(_chain_config) => todo!(),
         };
 
diff --git a/tools/integration-test/src/tests/ica.rs b/tools/integration-test/src/tests/ica.rs
index 11ac0ff0ba..15f989e552 100644
--- a/tools/integration-test/src/tests/ica.rs
+++ b/tools/integration-test/src/tests/ica.rs
@@ -69,7 +69,9 @@ impl TestOverrides for IcaFilterTestAllow {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.packet_filter = self.packet_filter.clone();
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(chain_config) => {
+                    chain_config.packet_filter = self.packet_filter.clone();
+                }
                 ChainConfig::Astria(_) => todo!(),
             }
         }
@@ -202,7 +204,13 @@ impl TestOverrides for IcaFilterTestDeny {
                             FilterPattern::Wildcard("*".parse().unwrap()),
                         )]));
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(chain_config) => {
+                    chain_config.packet_filter.channel_policy =
+                        ChannelPolicy::Deny(ChannelFilters::new(vec![(
+                            FilterPattern::Wildcard("ica*".parse().unwrap()),
+                            FilterPattern::Wildcard("*".parse().unwrap()),
+                        )]));
+                }
                 ChainConfig::Astria(_) => todo!(),
             }
         }
diff --git a/tools/integration-test/src/tests/memo.rs b/tools/integration-test/src/tests/memo.rs
index 446844e053..0d4e6a7bc8 100644
--- a/tools/integration-test/src/tests/memo.rs
+++ b/tools/integration-test/src/tests/memo.rs
@@ -38,7 +38,7 @@ impl TestOverrides for MemoTest {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.memo_prefix = self.memo.clone();
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
                 ChainConfig::Astria(_) => todo!(),
             }
         }
@@ -105,7 +105,7 @@ impl TestOverrides for MemoOverwriteTest {
                     chain_config.memo_overwrite = Some(Memo::new(OVERWRITE_MEMO).unwrap())
                 }
                 ChainConfig::Astria(_) => todo!(),
-                ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
             }
         }
     }
diff --git a/tools/integration-test/src/tests/ordered_channel_clear.rs b/tools/integration-test/src/tests/ordered_channel_clear.rs
index 9a7de5ceb8..a51e5128d6 100644
--- a/tools/integration-test/src/tests/ordered_channel_clear.rs
+++ b/tools/integration-test/src/tests/ordered_channel_clear.rs
@@ -56,7 +56,8 @@ impl TestOverrides for OrderedChannelClearTest {
                 ChainConfig::CosmosSdk(chain_config) => {
                     chain_config.sequential_batch_tx = self.sequential_batch_tx;
                 }
-                ChainConfig::Astria(_) | ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Astria(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
             }
         }
 
@@ -65,7 +66,8 @@ impl TestOverrides for OrderedChannelClearTest {
             ChainConfig::CosmosSdk(chain_config) => {
                 chain_config.sequential_batch_tx = self.sequential_batch_tx;
             }
-            ChainConfig::Astria(_) | ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Astria(_) => todo!(),
+            ChainConfig::Penumbra(_) => {}
         }
     }
 
@@ -202,7 +204,8 @@ impl TestOverrides for OrderedChannelClearEqualCLITest {
                     chain_config.sequential_batch_tx = true;
                     chain_config.max_msg_num = MaxMsgNum::new(3).unwrap();
                 }
-                ChainConfig::Astria(_) | ChainConfig::Penumbra(_) => todo!(),
+                ChainConfig::Astria(_) => todo!(),
+                ChainConfig::Penumbra(_) => {}
             }
         }
 
@@ -212,7 +215,8 @@ impl TestOverrides for OrderedChannelClearEqualCLITest {
                 chain_config.sequential_batch_tx = true;
                 chain_config.max_msg_num = MaxMsgNum::new(3).unwrap();
             }
-            ChainConfig::Astria(_) | ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Astria(_) => todo!(),
+            ChainConfig::Penumbra(_) => {}
         }
     }
 
diff --git a/tools/integration-test/src/tests/python.rs b/tools/integration-test/src/tests/python.rs
index 040b3ecd8c..355f3364ab 100644
--- a/tools/integration-test/src/tests/python.rs
+++ b/tools/integration-test/src/tests/python.rs
@@ -18,7 +18,8 @@ impl TestOverrides for PythonTest {
                     // with external relayer commands.
                     chain_config.key_store_type = Store::Test;
                 }
-                ChainConfig::Penumbra(_) => todo!(),
+                // No key support for Penumbra
+                ChainConfig::Penumbra(_) => {}
                 ChainConfig::Astria(_) => todo!(),
             }
         }
diff --git a/tools/integration-test/src/tests/sequence_filter.rs b/tools/integration-test/src/tests/sequence_filter.rs
index f4a5a0ad33..2c211cf724 100644
--- a/tools/integration-test/src/tests/sequence_filter.rs
+++ b/tools/integration-test/src/tests/sequence_filter.rs
@@ -55,7 +55,7 @@ impl TestOverrides for FilterClearOnStartTest {
                 chain_config.excluded_sequences = excluded_sequences;
             }
             ChainConfig::Astria(_) => todo!(),
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(_) => {}
         }
         config.mode.channels.enabled = true;
 
@@ -94,7 +94,7 @@ impl TestOverrides for FilterClearIntervalTest {
                 chain_config.excluded_sequences = excluded_sequences;
             }
             ChainConfig::Astria(_) => todo!(),
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(_) => {}
         }
         config.mode.channels.enabled = true;
 
@@ -255,7 +255,7 @@ impl TestOverrides for StandardRelayingNoFilterTest {
                 chain_config.excluded_sequences = excluded_sequences;
             }
             ChainConfig::Astria(_) => todo!(),
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(_) => {}
         }
         config.mode.packets.clear_on_start = true;
         config.mode.packets.clear_interval = 0;
diff --git a/tools/integration-test/src/tests/tendermint/sequential.rs b/tools/integration-test/src/tests/tendermint/sequential.rs
index ff3e72fc29..d8d39a8b31 100644
--- a/tools/integration-test/src/tests/tendermint/sequential.rs
+++ b/tools/integration-test/src/tests/tendermint/sequential.rs
@@ -37,7 +37,7 @@ impl TestOverrides for SequentialCommitTest {
                 chain_config_a.max_msg_num = MaxMsgNum::new(MESSAGES_PER_BATCH).unwrap();
                 chain_config_a.sequential_batch_tx = true;
             }
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(_) => todo!("sequential batching unsupported in penumbra"),
         };
 
         match &mut config.chains[1] {
@@ -45,7 +45,7 @@ impl TestOverrides for SequentialCommitTest {
                 chain_config_b.max_msg_num = MaxMsgNum::new(MESSAGES_PER_BATCH).unwrap();
                 chain_config_b.sequential_batch_tx = false;
             }
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(_) => todo!("sequential batching unsupported in penumbra"),
         };
     }
 
diff --git a/tools/test-framework/src/util/interchain_security.rs b/tools/test-framework/src/util/interchain_security.rs
index 4db14f1b0d..a68af06fd7 100644
--- a/tools/test-framework/src/util/interchain_security.rs
+++ b/tools/test-framework/src/util/interchain_security.rs
@@ -34,7 +34,7 @@ pub fn update_relayer_config_for_consumer_chain(config: &mut Config) {
                 chain_config.trusting_period = Some(Duration::from_secs(99));
             }
             ChainConfig::CosmosSdk(_) | ChainConfig::Astria(_) => {}
-            ChainConfig::Penumbra(_) => todo!(),
+            ChainConfig::Penumbra(_) => todo!("should penumbra define a trusting period?"),
         }
     }
 }