diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 8e605c6..b8d8324 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{".":"0.11.0"}
+{".":"0.12.0"}
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5f967a6..f6604ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## 0.12.0 (2026-08-28)
+
+## What's Changed
+* feat: support Python extraction sources by @longlho in https://github.com/formatjs/rules_formatjs/pull/99
+
+
+**Full Changelog**: https://github.com/formatjs/rules_formatjs/compare/v0.11.0...v0.12.0
+
 ## 0.11.0 (2026-08-07)
 
 ## What's Changed
diff --git a/version.txt b/version.txt
index d9df1bb..ac454c6 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.11.0
+0.12.0