diff --git a/pyproject.toml b/pyproject.toml
index 927177b78..5d76178b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,7 +35,7 @@ dependencies = [
   "grpcio>=1.68.1,<=1.70",
   "grpcio-tools>=1.68.1,<=1.70",
   "numpy>=1.21.6",
-  "protobuf>=5.0.0,<6.31.0",
+  "protobuf>=5.0.0,<6.34.0",
   "pymongo",
   "Flask==3.1.1",
   "pyjwt",