diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 32f5df20..995242b8 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "9.12.2"
+  ".": "9.12.3"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1f09f244..ac20d4b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Python SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [9.12.3](https://github.com/launchdarkly/python-server-sdk/compare/9.12.2...9.12.3) (2025-10-30)
+
+
+### Bug Fixes
+
+* Fix overly generic type hint on File data source ([#365](https://github.com/launchdarkly/python-server-sdk/issues/365)) ([52a7499](https://github.com/launchdarkly/python-server-sdk/commit/52a7499f7cf1d4311f89fa98e65bca670e127aa6)), closes [#364](https://github.com/launchdarkly/python-server-sdk/issues/364)
+
 ## [9.12.2](https://github.com/launchdarkly/python-server-sdk/compare/9.12.1...9.12.2) (2025-10-27)
 
 
diff --git a/PROVENANCE.md b/PROVENANCE.md
index a2b9e62d..aa0c32d3 100644
--- a/PROVENANCE.md
+++ b/PROVENANCE.md
@@ -9,7 +9,7 @@ To verify SLSA provenance attestations, we recommend using [slsa-verifier](https
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-SDK_VERSION=9.12.2
+SDK_VERSION=9.12.3
 ```
 <!-- x-release-please-end -->
 
diff --git a/ldclient/version.py b/ldclient/version.py
index de95fb6b..6ea98dc2 100644
--- a/ldclient/version.py
+++ b/ldclient/version.py
@@ -1 +1 @@
-VERSION = "9.12.2"  # x-release-please-version
+VERSION = "9.12.3"  # x-release-please-version
diff --git a/pyproject.toml b/pyproject.toml
index 6f6ae434..34f72b69 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "launchdarkly-server-sdk"
-version = "9.12.2"
+version = "9.12.3"
 description = "LaunchDarkly SDK for Python"
 authors = ["LaunchDarkly <dev@launchdarkly.com>"]
 license = "Apache-2.0"