diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cf7e356..abd9d88 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -75,7 +75,7 @@ repos:
     hooks:
       - id: blacken-docs
         additional_dependencies:
-          - black==23.7.0 # keep in sync with black hook
+          - black==23.9.1 # keep in sync with black hook
 
   # Check for common mistakes
   - repo: https://github.com/pre-commit/pygrep-hooks