diff --git a/pyproject.toml b/pyproject.toml
index 87da5d4..e261ddc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,7 +66,7 @@ dev = [
     "tokenize-rt==6.2.0", # for mypy
     "types-docutils==0.22.3.20251115", # for mypy
     "types-PyYaml==6.0.12.20250915", # for mypy
-    "commitizen==4.13.8",
+    "commitizen==4.13.9",
     "deprecated==1.3.1", # for commitizen
 
     # Sphinx