diff --git a/lib/osoprotobufs/python/pyproject.toml b/lib/osoprotobufs/python/pyproject.toml
index 5613538b6d..c194dd56cc 100644
--- a/lib/osoprotobufs/python/pyproject.toml
+++ b/lib/osoprotobufs/python/pyproject.toml
@@ -5,7 +5,7 @@ description = "Generated protobuf code for oso"
 readme = "README.md"
 requires-python = "==3.12.*"
 dependencies = [
-    "protobuf==6.33.4",
+    "protobuf==6.33.5",
 ]
 
 [build-system]