diff --git a/Cargo.lock b/Cargo.lock
index a1be293f4b..e73b3234d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1638,7 +1638,7 @@ dependencies = [
 
 [[package]]
 name = "iota-sdk-python"
-version = "1.1.3"
+version = "1.1.4"
 dependencies = [
  "futures",
  "iota-sdk-bindings-core",
@@ -2688,9 +2688,9 @@ dependencies = [
 
 [[package]]
 name = "rustls"
-version = "0.21.10"
+version = "0.21.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9d5a6813c0759e4609cd494e8e725babae6a2ca7b62a5536a13daaec6fcb7ba"
+checksum = "3f56a14d1f48b391359b22f731fd4bd7e43c97f3c50eee276f3aa09c94784d3e"
 dependencies = [
  "log",
  "ring",
diff --git a/bindings/nodejs/scripts/neon-build.js b/bindings/nodejs/scripts/neon-build.js
index 742bc2868c..b574987ad0 100644
--- a/bindings/nodejs/scripts/neon-build.js
+++ b/bindings/nodejs/scripts/neon-build.js
@@ -7,6 +7,7 @@ const moveArtifact = require('./move-artifact');
 const { status } = spawnSync(process.platform === 'win32' ? 'yarn.cmd' : 'yarn', ['build:neon'], {
     stdio: 'inherit',
     cwd: resolve(__dirname, '../'),
+    shell: true
 });
 
 if (status === null) {
diff --git a/bindings/python/CHANGELOG.md b/bindings/python/CHANGELOG.md
index a6711a1480..bf18fb07db 100644
--- a/bindings/python/CHANGELOG.md
+++ b/bindings/python/CHANGELOG.md
@@ -19,6 +19,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Security -->
 
+## 1.1.4 - 2024-05-03
+
+### Fixed
+
+- Made `TaggedDataPayload::{tag, data}` optional;
+
 ## 1.1.3 - 2024-02-14
 
 ### Added
diff --git a/bindings/python/Cargo.toml b/bindings/python/Cargo.toml
index 6ccad068d7..20a48d2ebc 100644
--- a/bindings/python/Cargo.toml
+++ b/bindings/python/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "iota-sdk-python"
-version = "1.1.3"
+version = "1.1.4"
 authors = ["IOTA Stiftung"]
 edition = "2021"
 description = "Python bindings for the IOTA SDK library"
diff --git a/bindings/python/iota_sdk/types/block.py b/bindings/python/iota_sdk/types/block.py
index 22ac15dadd..2878638a48 100644
--- a/bindings/python/iota_sdk/types/block.py
+++ b/bindings/python/iota_sdk/types/block.py
@@ -25,8 +25,8 @@ class Block:
     protocolVersion: int
     parents: List[HexStr]
     nonce: str
-    payload: Optional[Union[TaggedDataPayload,
-                      TransactionPayload, MilestonePayload]] = None
+    payload: Optional[Union[TransactionPayload,
+                            MilestonePayload, TaggedDataPayload]] = None
 
     @classmethod
     def from_dict(cls, block_dict: Dict) -> Block:
diff --git a/bindings/python/iota_sdk/types/payload.py b/bindings/python/iota_sdk/types/payload.py
index c479bf1844..4f1f0f5039 100644
--- a/bindings/python/iota_sdk/types/payload.py
+++ b/bindings/python/iota_sdk/types/payload.py
@@ -143,8 +143,8 @@ class TaggedDataPayload(Payload):
         tag: The tag part of the tagged data payload.
         data: The data part of the tagged data payload.
     """
-    tag: HexStr
-    data: HexStr
+    tag: Optional[HexStr] = None
+    data: Optional[HexStr] = None
     type: int = field(
         default_factory=lambda: int(
             PayloadType.TaggedData),
diff --git a/bindings/python/setup.py b/bindings/python/setup.py
index d950a18e3f..1c97d88a48 100644
--- a/bindings/python/setup.py
+++ b/bindings/python/setup.py
@@ -22,7 +22,7 @@ def get_py_version_cfgs():
 
 setup(
     name="iota_sdk",
-    version="1.1.3",
+    version="1.1.4",
     classifiers=[
         "License :: SPDX-License-Identifier ::  Apache-2.0",
         "Intended Audience :: Developers",
diff --git a/bindings/python/tests/test_block.py b/bindings/python/tests/test_block.py
index 4c76d98d49..142ea8a22f 100644
--- a/bindings/python/tests/test_block.py
+++ b/bindings/python/tests/test_block.py
@@ -44,3 +44,11 @@ def test_block():
     assert block.as_dict() == block_dict
     assert isinstance(block.payload, Payload)
     assert block.payload.type == PayloadType.Milestone
+
+    # with tx payload and tagged data payload where the data is optional
+    block_dict = {"protocolVersion": 2, "parents": ["0x0882f56f6aa18a473c1104aaa6df5260ccf0b4b7a013763c44f231ebdd23a3c7", "0x1b26789153a9f1d5e139498f18e4cb2b7e31b67f6ddbec1053f49ce5034cdac4", "0x25ac8b75c5b14f13875dafb4de92b5256dd9c7fd73576eacc99740bd90413f62", "0xd36066423f2b225c9b9566794ea2ed25331afee340ea045271a1dd1d28f87b92"], "payload": {"type": 6, "essence": {"type": 1, "networkId": "7784367046153662236", "inputs": [{"type": 0, "transactionId": "0x9649d1ce9177435ee8fd3234267d7f1c82a858d3d36994379c495be864fdb223", "transactionOutputIndex": 0}], "inputsCommitment": "0xbeb2d535e60610e4284dd8de2046b695ed820519b8d7bea1b4e87859e01a4613", "outputs": [{"type": 3, "amount": "1000000000", "unlockConditions": [
+        {"type": 0, "address": {"type": 0, "pubKeyHash": "0x7258772f96283ebcc91997805a0b4acc98c83d3d0bb1bc919e31974bb6cea9a2"}}]}, {"type": 3, "amount": "288098760415811743", "unlockConditions": [{"type": 0, "address": {"type": 0, "pubKeyHash": "0x77c2f4cdd686cc9e7667ff66977fc9e7687866a3a97745917cf786ba13a4124c"}}]}], "payload": {"type": 5}}, "unlocks": [{"type": 0, "signature": {"type": 0, "publicKey": "0xbae586465c574fcc9339ee0baae32bbabede7fab87b94f150c6bd38afd76abbe", "signature": "0x1c208a3afe0a5cb1045c0a4d2a5ae003ea56c9bed06128c60bde7e07266314ecd8bbfba22ecbba04e4f2e436d50d699b402537aef65a586149e6ae4d8be1fe0a"}}]}, "nonce": "1673315"}
+    block = Block.from_dict(block_dict)
+    assert block.as_dict() == block_dict
+    assert isinstance(block.payload, Payload)
+    assert block.payload.type == PayloadType.Transaction