diff --git a/bindings/python/tox.ini b/bindings/python/tox.ini
index e23c4f3..02b91cc 100644
--- a/bindings/python/tox.ini
+++ b/bindings/python/tox.ini
@@ -20,6 +20,8 @@ deps =
   setuptools-rust
 commands =
   ./build-sdist.sh
+allowlist_externals =
+  ./build-sdist.sh
 
 [testenv:build-wheel]
 passenv =