diff --git a/requirements.txt b/requirements.txt
index 9661721..5f6a1a0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -39,7 +39,7 @@ markupsafe==1.1.1
 mysqlclient==1.4.2.post1
 openapi-spec-validator==0.2.8
 pillow==6.1.0
-protobuf==3.9.0
+protobuf==3.18.3
 pyasn1-modules==0.2.5
 pyasn1==0.4.6
 pyjwt==1.7.1