diff --git a/tox.ini b/tox.ini
index ed4083f..6c5b900 100644
--- a/tox.ini
+++ b/tox.ini
@@ -81,6 +81,7 @@ setenv =
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
+    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
 [testenv:py312]
 setenv =