diff --git a/python/pyproject.toml b/python/pyproject.toml
index 24c78d910..5a0f1cfa9 100644
--- a/python/pyproject.toml
+++ b/python/pyproject.toml
@@ -30,6 +30,7 @@ optional-dependencies.dev = [
     'mypy==1.8.0',
     'pytest==8.0.0',
     'types-requests==2.31.0.20240125',
+    'protobuf==4.24.4',
 ]
 
 [project.urls]