diff --git a/.release-please-manifest-develop.json b/.release-please-manifest-develop.json
index 8d7a673..beea3f7 100644
--- a/.release-please-manifest-develop.json
+++ b/.release-please-manifest-develop.json
@@ -1,3 +1,3 @@
 {
-    ".": "0.3.0"
+    ".": "0.3.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 825c32f..25b5369 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1 +1,28 @@
 # Changelog
+
+## [0.3.1](https://github.com/b-long/opentdf-python-sdk/compare/otdf-python-v0.3.0...otdf-python-v0.3.1) (2025-09-11)
+
+
+### Bug Fixes
+
+* add develop-specific release-please files and update workflow ([63ef99a](https://github.com/b-long/opentdf-python-sdk/commit/63ef99a1439348ab829bec9d993bd6db245d0995))
+* address pre-commit (lint) issues ([f61b020](https://github.com/b-long/opentdf-python-sdk/commit/f61b02033f4a132ee1e552be61917d18d5a0bf4c))
+* fix .release-please-config.json file ([#97](https://github.com/b-long/opentdf-python-sdk/issues/97)) ([085f056](https://github.com/b-long/opentdf-python-sdk/commit/085f0564a44e4828c4bddfd67f6ecedbe72a6395))
+* fix publishing ([de00583](https://github.com/b-long/opentdf-python-sdk/commit/de005832c2a961f732f564b6a0380b6007a59b6b))
+* fix publishing ([dbc9f80](https://github.com/b-long/opentdf-python-sdk/commit/dbc9f8002d04ae08dc0403dea61507bd2eb19cd2))
+* guarantee target-version decrypt support ([#84](https://github.com/b-long/opentdf-python-sdk/issues/84)) ([238715f](https://github.com/b-long/opentdf-python-sdk/commit/238715f8ef761bcb39c66c13cf017fb891ad6d40))
+* omit README from Github releases ([cca9e3e](https://github.com/b-long/opentdf-python-sdk/commit/cca9e3efb9ead3693d401261e3e74debd985653e))
+* release configuration ([#99](https://github.com/b-long/opentdf-python-sdk/issues/99)) ([11497fb](https://github.com/b-long/opentdf-python-sdk/commit/11497fbd28e3c92b52e75cf417162ae12843e097))
+* release-please configuration ([#95](https://github.com/b-long/opentdf-python-sdk/issues/95)) ([fe1ee2d](https://github.com/b-long/opentdf-python-sdk/commit/fe1ee2d9a8e6763db27582f1d0d4a6625ec3716e))
+* remove unnecessary 'ncipollo/release-action' ([6a1d57b](https://github.com/b-long/opentdf-python-sdk/commit/6a1d57b562b6b6f506db9c29fa11858bf28ef702))
+* update prerelease config for develop branch ([6cfaee6](https://github.com/b-long/opentdf-python-sdk/commit/6cfaee6fd918f50185859edbab06a2dbf7d7123f))
+* use correct 'extra-files' for uv.lock ([0e09171](https://github.com/b-long/opentdf-python-sdk/commit/0e091714cad2a5f462bf0a5444e92d8e71639626))
+
+
+### Miscellaneous Chores
+
+* release 0.3.0a10 ([3bb4283](https://github.com/b-long/opentdf-python-sdk/commit/3bb42837fa9547273023859db48c4e4f69325273))
+* release 0.3.0a11 ([ce8a520](https://github.com/b-long/opentdf-python-sdk/commit/ce8a52064969aa5e27876c4454d2e32b42a36f5b))
+* release 0.3.1 ([c1395b1](https://github.com/b-long/opentdf-python-sdk/commit/c1395b1ff6bf02ffb24f20e7d45ca0869ae033f5))
+
+## Changelog
diff --git a/otdf-python-proto/pyproject.toml b/otdf-python-proto/pyproject.toml
index a89de6a..f120b6e 100644
--- a/otdf-python-proto/pyproject.toml
+++ b/otdf-python-proto/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "otdf-python-proto"
-version = "0.3.0"
+version = "0.3.1"
 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 d410e13..179ca3b 100644
--- a/otdf-python-proto/uv.lock
+++ b/otdf-python-proto/uv.lock
@@ -481,7 +481,7 @@ wheels = [
 
 [[package]]
 name = "otdf-python-proto"
-version = "0.3.0"
+version = "0.3.1"
 source = { editable = "." }
 dependencies = [
     { name = "connect-python", extra = ["compiler"] },
diff --git a/pyproject.toml b/pyproject.toml
index 311b1b0..d1e5eb4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "otdf-python"
-version = "0.3.0"
+version = "0.3.1"
 description = "Unofficial OpenTDF SDK for Python"
 readme = "README.md"
 authors = [
diff --git a/uv.lock b/uv.lock
index c164b51..a2c1930 100644
--- a/uv.lock
+++ b/uv.lock
@@ -686,7 +686,7 @@ wheels = [
 
 [[package]]
 name = "otdf-python"
-version = "0.3.0"
+version = "0.3.1"
 source = { editable = "." }
 dependencies = [
     { name = "connect-python", extra = ["compiler"] },