diff --git a/WebApp/requirements.txt b/WebApp/requirements.txt
index 2725645..b5a039d 100644
--- a/WebApp/requirements.txt
+++ b/WebApp/requirements.txt
@@ -24,7 +24,7 @@ numpy==1.19.5
 oauthlib==3.2.2
 opt-einsum==3.3.0
 pandas==1.3.0
-protobuf==3.17.3
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 python-dateutil==2.8.2