diff --git a/resultstoresearch/server/requirements.txt b/resultstoresearch/server/requirements.txt
index cc46529d..0ea5340c 100644
--- a/resultstoresearch/server/requirements.txt
+++ b/resultstoresearch/server/requirements.txt
@@ -1,5 +1,5 @@
 grpcio==1.29.0
-protobuf==3.12.2
+protobuf==3.15.0
 gcloud==0.18.3
 google-api-python-client==1.9.3
 firebase-admin==4.3.0