diff --git a/backend/server/requirements.txt b/backend/server/requirements.txt
index d400a47..c832a0d 100644
--- a/backend/server/requirements.txt
+++ b/backend/server/requirements.txt
@@ -1,4 +1,4 @@
 grpcio==1.51.1
 overrides==7.3.1
-protobuf==4.21.1
+protobuf==4.21.6
 psycopg2-binary==2.9.5
\ No newline at end of file