diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index dec00a0..9a9c6df 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,21 +1,21 @@
 repos:
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.7.4
+    rev: v2.29.0
     hooks:
       - id: pyupgrade
         args: ["--py36-plus"]
   - repo: https://github.com/psf/black
-    rev: stable
+    rev: 21.9b0
     hooks:
       - id: black
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.3.0
+    rev: v4.0.1
     hooks:
       - id: trailing-whitespace
       - id: end-of-file-fixer
       - id: mixed-line-ending
   - repo: https://gitlab.com/pycqa/flake8
-    rev: '3.8.4'
+    rev: '3.9.2'
     hooks:
       - id: flake8
         additional_dependencies: