diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c15ac13..e8d3769 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -61,6 +61,6 @@ repos:
   - id: pyupgrade
     args: [--py38-plus]
 - repo: https://github.com/PyCQA/isort
-  rev: 9.0.0a3
+  rev: 9.0.0b1
   hooks:
   - id: isort