diff --git a/backend/config/app/requirements.txt b/backend/config/app/requirements.txt
index 1584593..ee5401c 100644
--- a/backend/config/app/requirements.txt
+++ b/backend/config/app/requirements.txt
@@ -18,7 +18,7 @@ Markdown==3.0.1
 numpy==1.16.1
 opencv-python==4.0.0.21
 pafy==0.5.4
-protobuf==3.6.1
+protobuf==3.18.3
 psycopg2==2.7.5
 PyJWT==1.7.1
 PyYAML==3.13