diff --git a/plugins/flytekit-identity-aware-proxy/setup.py b/plugins/flytekit-identity-aware-proxy/setup.py
index e61fbf6797..fa5d4ef4a0 100644
--- a/plugins/flytekit-identity-aware-proxy/setup.py
+++ b/plugins/flytekit-identity-aware-proxy/setup.py
@@ -4,7 +4,15 @@
 
 microlib_name = f"flytekitplugins-{PLUGIN_NAME}"
 
-plugin_requires = ["click", "google-cloud-secret-manager", "google-auth", "flytekit>=1.10"]
+plugin_requires = [
+    "click",
+    "google-cloud-secret-manager",
+    "google-auth",
+    "flytekit>=1.10",
+    # https://github.com/grpc/grpc/issues/33935
+    # https://github.com/grpc/grpc/issues/35323
+    "grpcio<1.55.0",
+]
 
 __version__ = "0.0.0+develop"