diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e09667c..7340a47 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -14,7 +14,7 @@ repos:
     -   id: mixed-line-ending
     -   id: trailing-whitespace
 -   repo: https://github.com/psf/black
-    rev: 21.7b0
+    rev: 21.8b0
     hooks:
     -   id: black
         language_version: python3