diff --git a/python/antigravity/requirements.txt b/python/antigravity/requirements.txt
index 7eaa106..323f422 100644
--- a/python/antigravity/requirements.txt
+++ b/python/antigravity/requirements.txt
@@ -1,5 +1,5 @@
 # Runtime dependencies for the antigravity HarnessService server
 # (python/antigravity/harness_server.py).
 google-antigravity==0.1.10
-protobuf>=5.29.0
-grpcio-health-checking==1.81.0
+protobuf>=7.35.0
+grpcio-health-checking==1.83.0