diff --git a/app/requirements.txt b/app/requirements.txt
index 74d0c4a..a3a09c8 100644
--- a/app/requirements.txt
+++ b/app/requirements.txt
@@ -45,7 +45,7 @@ pickleshare==0.7.5
 Pillow==5.4.1
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
-protobuf==3.6.1
+protobuf==3.18.3
 psycopg2==2.7.7
 Pygments==2.3.1
 pymongo==3.7.2