diff --git a/backend/requirements.txt b/backend/requirements.txt
index 4c9a89e..4372404 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -35,7 +35,7 @@ oauthlib==3.1.0
 opencv-python==4.1.1.26
 opt-einsum==3.1.0
 Pillow==6.2.1
-protobuf==3.10.0
+protobuf==3.15.0
 pyasn1==0.4.8
 pyasn1-modules==0.2.7
 pyparsing==2.4.5