diff --git a/pyproject.toml b/pyproject.toml
index c9d30661..f6162ef8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -30,7 +30,7 @@ dependencies = [
     "prometheus-client>=0.21.1",
     "py-grpc-prometheus>=0.8.0",
     "torch==2.11.0",
-    "protobuf==6.31.1",
+    "protobuf==7.35.0",
     # OpenTelemetry is a required dependency. No automatic downgrade.
     "opentelemetry-api>=1.36.0",
     "opentelemetry-sdk>=1.36.0",