diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index d0f46be..29a984b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -32,7 +32,7 @@ repos:
     language_version: python3
 
 - repo: https://github.com/keewis/blackdoc
-  rev: v0.3.8
+  rev: v0.3.9
   hooks:
     - id: blackdoc