diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 1fd56a9..0ac88e5 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.4.0"
+    ".": "0.4.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3c57a92..92d3a34 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.1](https://github.com/b-long/opentdf-python-sdk/compare/otdf-python-v0.4.0...otdf-python-v0.4.1) (2025-12-09)
+
+
+### Bug Fixes
+
+* preserve exception chain ([#119](https://github.com/b-long/opentdf-python-sdk/issues/119)) ([09984b8](https://github.com/b-long/opentdf-python-sdk/commit/09984b843b369a6d2c76dc8a81d6315f195ea773))
+
 ## [0.4.0](https://github.com/b-long/opentdf-python-sdk/compare/otdf-python-v0.3.5...otdf-python-v0.4.0) (2025-11-20)
 
 
diff --git a/otdf-python-proto/pyproject.toml b/otdf-python-proto/pyproject.toml
index 9834585..8fada34 100644
--- a/otdf-python-proto/pyproject.toml
+++ b/otdf-python-proto/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "otdf-python-proto"
-version = "0.4.0"
+version = "0.4.1"
 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 d1c7ee9..3161d77 100644
--- a/otdf-python-proto/uv.lock
+++ b/otdf-python-proto/uv.lock
@@ -601,7 +601,7 @@ wheels = [
 
 [[package]]
 name = "otdf-python-proto"
-version = "0.4.0"
+version = "0.4.1"
 source = { editable = "." }
 dependencies = [
     { name = "connect-python", extra = ["compiler"] },
diff --git a/pyproject.toml b/pyproject.toml
index f4a4aa3..b645a78 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "otdf-python"
-version = "0.4.0"
+version = "0.4.1"
 description = "Unofficial OpenTDF SDK for Python"
 readme = "README.md"
 authors = [
diff --git a/uv.lock b/uv.lock
index 40d7ae9..a4ebae8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -849,7 +849,7 @@ wheels = [
 
 [[package]]
 name = "otdf-python"
-version = "0.4.0"
+version = "0.4.1"
 source = { editable = "." }
 dependencies = [
     { name = "connect-python", extra = ["compiler"] },