diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 354e269..7a856de 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.4.2"
+    ".": "0.4.3"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 548920f..c52ce8c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.3](https://github.com/b-long/opentdf-python-sdk/compare/otdf-python-v0.4.2...otdf-python-v0.4.3) (2026-02-05)
+
+
+### Bug Fixes
+
+* implement KAS allowlist functionality ([#129](https://github.com/b-long/opentdf-python-sdk/issues/129)) ([c1306da](https://github.com/b-long/opentdf-python-sdk/commit/c1306da24eb27f80bb3f1c11cea0f24175b5fd23))
+
 ## [0.4.2](https://github.com/b-long/opentdf-python-sdk/compare/otdf-python-v0.4.1...otdf-python-v0.4.2) (2026-01-07)
 
 
diff --git a/otdf-python-proto/pyproject.toml b/otdf-python-proto/pyproject.toml
index 74f503c..b6a36dd 100644
--- a/otdf-python-proto/pyproject.toml
+++ b/otdf-python-proto/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "otdf-python-proto"
-version = "0.4.2"
+version = "0.4.3"
 description = "Generated protobuf files for OpenTDF Python SDK"
 readme = "README.md"
 authors = [
diff --git a/otdf-python-proto/uv.lock b/otdf-python-proto/uv.lock
index 61a3470..f4df382 100644
--- a/otdf-python-proto/uv.lock
+++ b/otdf-python-proto/uv.lock
@@ -601,7 +601,7 @@ wheels = [
 
 [[package]]
 name = "otdf-python-proto"
-version = "0.4.2"
+version = "0.4.3"
 source = { editable = "." }
 dependencies = [
     { name = "connect-python", extra = ["compiler"] },
diff --git a/pyproject.toml b/pyproject.toml
index 06b6beb..86df19d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "otdf-python"
-version = "0.4.2"
+version = "0.4.3"
 description = "Unofficial OpenTDF SDK for Python"
 readme = "README.md"
 authors = [
diff --git a/uv.lock b/uv.lock
index 46d6c53..8b447bb 100644
--- a/uv.lock
+++ b/uv.lock
@@ -422,7 +422,7 @@ wheels = [
 
 [[package]]
 name = "otdf-python"
-version = "0.4.2"
+version = "0.4.3"
 source = { editable = "." }
 dependencies = [
     { name = "connect-python" },