diff --git a/requirements.txt b/requirements.txt
index bb03274..48dad2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ jmespath==0.10.0
 oauthlib==3.1.0
 packaging==20.9
 Pillow==8.2.0
-protobuf==3.15.8
+protobuf==3.18.3
 psycopg2==2.8.6
 pycparser==2.20
 PyJWT==2.1.0