diff --git a/server/requirements.txt b/server/requirements.txt
index a5f9c94..e16174a 100644
--- a/server/requirements.txt
+++ b/server/requirements.txt
@@ -23,7 +23,7 @@ MarkupSafe==1.1.1
 numpy==1.18.4
 oauthlib==3.1.0
 opt-einsum==3.2.1
-protobuf==3.11.3
+protobuf==3.18.3
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 python-engineio==3.12.1