diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1434728d..879ae073 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+4.5.1 - 2025-12-16
+==================
+
+### Fixes
+- Fix `language: python` with `repo: local` without `additional_dependencies`.
+    - #3597 PR by @asottile.
+
 4.5.0 - 2025-11-22
 ==================
 
diff --git a/setup.cfg b/setup.cfg
index 00c71759..a95ee447 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pre_commit
-version = 4.5.0
+version = 4.5.1
 description = A framework for managing and maintaining multi-language pre-commit hooks.
 long_description = file: README.md
 long_description_content_type = text/markdown