diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 57327ca..931998d 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -43,7 +43,7 @@ repos:
     - id: bind-requirements
 
  - repo: https://github.com/domdfcoding/flake8-dunder-all
-   rev: v0.3.1
+   rev: v0.4.1
    hooks:
     - id: ensure-dunder-all
       files: ^consolekit/.*\.py$
diff --git a/tox.ini b/tox.ini
index aa2a0fb..95d1ec1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -87,6 +87,7 @@ setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
     PIP_PREFER_BINARY=1
+    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 skip_install = True
 changedir = {toxinidir}
 deps =