diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index cc153d8..fb0449b 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -6,7 +6,7 @@ repos:
     hooks:
       - id: black
   - repo: https://github.com/pycqa/isort
-    rev: dac090ce4d9ee313d086e2e89ab1acb8c2664fa1 # frozen: 9.0.0a3
+    rev: 7f321d375f31a2f03833bc9a548e8783f2b5c420 # frozen: 9.0.0b1
     hooks:
       - id: isort
   - repo: https://github.com/pre-commit/pre-commit-hooks