diff --git a/Makefile b/Makefile
index f60d5d4..3e24377 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-.PHONY: fmt check execute prove verify zk
+.PHONY: fmt check execute prove prove_ultra_honk verify verify_ultra_honk zk zk_ultra_honk
 
 fmt:
 	nargo fmt
@@ -9,14 +9,29 @@ check:
 execute:
 	nargo execute plume
 
-prove: 
+
+prove_ultra_honk:
+	bb prove_ultra_honk -b ./target/use.json -w ./target/plume.gz -o ./target/proof
+
+prove:
 	bb prove -b ./target/use.json -w ./target/plume.gz -o ./target/proof
 
+
+verify_ultra_honk:
+	bb write_vk_ultra_honk -b ./target/use.json -o ./target/vk
+	bb verify_ultra_honk -k ./target/vk -p ./target/proof
+
 verify:
 	bb write_vk -b ./target/use.json -o ./target/vk
 	bb verify -k ./target/vk -p ./target/proof
 
+
 zk:
 	make execute
 	make prove
-	make verify
\ No newline at end of file
+	make verify
+
+zk_ultra_honk:
+	make execute
+	make prove_ultra_honk
+	make verify_ultra_honk
\ No newline at end of file
diff --git a/crates/use/src/main.nr b/crates/use/src/main.nr
index 3ba1e5c..a489dc6 100644
--- a/crates/use/src/main.nr
+++ b/crates/use/src/main.nr
@@ -8,9 +8,8 @@ pub fn main(msg: [u8; MSG_LEN], c: [u8; 32], s: [u8; 32], pk: [[u8; 32]; 2], nul
     let nullifier = (
         Secpk1Fq::from_le_bytes(to_u8_arr(nullifier[0])), Secpk1Fq::from_le_bytes(to_u8_arr(nullifier[1]))
     );
-
     // Choose your plume variant and comment the other
 
-    // plume_v1(msg, c, s, pk, nullifier);
-    plume_v2(msg, c, s, pk, nullifier);
+    plume_v1(msg, c, s, pk, nullifier);
+    // plume_v2(msg, c, s, pk, nullifier);
 }
diff --git a/etc/main.sage b/etc/main.sage
index d0ae291..460e2dd 100644
--- a/etc/main.sage
+++ b/etc/main.sage
@@ -45,8 +45,8 @@ def update_prover_toml(filepath, version1: bool, msg_len: int):
 
 def update_plume_version(is_v1: bool):
     path = "../crates/use/src/"
-    p1_line = 13
-    p2_line = 14
+    p1_line = 12
+    p2_line = 13
 
     with open(path + 'main.nr', 'r') as file:
         lines = file.readlines()