diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b448144..1543203 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -60,8 +60,8 @@ repos:
     - id: rst-directive-colons
     - id: rst-inline-touching-normal
 
- - repo: https://github.com/asottile/pyupgrade
-   rev: v3.3.0
+ - repo: https://github.com/python-formate/pyupgrade
+   rev: '2e49872'
    hooks:
     - id: pyupgrade
       args:
diff --git a/tox.ini b/tox.ini
index cdd39ae..0e17029 100644
--- a/tox.ini
+++ b/tox.ini
@@ -29,7 +29,7 @@ requires =
     pip>=21,!=22.2
     tox-envlist>=0.2.1
     tox~=3.0
-    virtualenv!=20.16.0
+    virtualenv!=20.16.0,<20.39
 
 [envlists]
 test = py37, py38, py39, py310, py311, py312, py313