diff --git a/examples/redis_all/requirements.txt b/examples/redis_all/requirements.txt
index 3014ae2..0363503 100644
--- a/examples/redis_all/requirements.txt
+++ b/examples/redis_all/requirements.txt
@@ -1,5 +1,5 @@
 requests>=2.22.0
 grpcio
 grpcio-tools
-protobuf==3.10.0
+protobuf==3.15.0
 redis
\ No newline at end of file