diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 0ee8c01..2537c1f 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.3.0"
+  ".": "0.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d4c5a2..b033134 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## [0.4.0](https://github.com/launchdarkly/openfeature-python-server/compare/0.3.0...0.4.0) (2025-06-26)
+
+
+### Features
+
+* Drop support for Python 3.8 (eol 2024-10-07) ([#25](https://github.com/launchdarkly/openfeature-python-server/issues/25)) ([026e5d0](https://github.com/launchdarkly/openfeature-python-server/commit/026e5d0e21011c9c64a4de575c96516f394ef7ab))
+
 ## [0.3.0](https://github.com/launchdarkly/openfeature-python-server/compare/0.2.2...0.3.0) (2024-10-04)
 
 
diff --git a/docs/conf.py b/docs/conf.py
index 202ec88..fa6eb50 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -30,9 +30,9 @@
 author = u'LaunchDarkly'
 
 # The short X.Y version.
-version = '0.3.0' # x-release-please-version
+version = '0.4.0' # x-release-please-version
 # The full version, including alpha/beta/rc tags.
-release = '0.3.0' # x-release-please-version
+release = '0.4.0' # x-release-please-version
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index 1ca03d6..2632a14 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "launchdarkly-openfeature-server"
-version = "0.3.0"
+version = "0.4.0"
 description = "An OpenFeature provider for the LaunchDarkly Python server SDK"
 authors = ["LaunchDarkly <dev@launchdarkly.com>"]
 license = "Apache-2.0"