diff --git a/tox.ini b/tox.ini
index 066ea64..5879277 100644
--- a/tox.ini
+++ b/tox.ini
@@ -53,6 +53,7 @@ setenv =
 setenv =
     PYTHONDEVMODE=1
     PIP_DISABLE_PIP_VERSION_CHECK=1
+    UNSAFE_PYO3_SKIP_VERSION_CHECK=1
 
 [testenv:py312]
 setenv =