diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ad96fd6..9eb9c0a 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -21,7 +21,7 @@ repos:
         args: [--config=pyproject.toml]
 
   - repo: https://github.com/keewis/blackdoc
-    rev: v0.3.8
+    rev: v0.3.9
     hooks:
       - id: blackdoc