diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 1dbfb70..9572f7f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -20,7 +20,7 @@ repos:
         exclude: ^docs/.*|.*.md
 
   - repo: https://github.com/psf/black
-    rev: 21.7b0
+    rev: 21.8b0
     hooks:
       - id: black
         language_version: python3