diff --git a/site/yasm/requirements.txt b/site/yasm/requirements.txt
index 5b257e04..423c7ce4 100644
--- a/site/yasm/requirements.txt
+++ b/site/yasm/requirements.txt
@@ -45,7 +45,7 @@ pexpect==4.6.0
 pickleshare==0.7.4
 pluggy==0.6.0
 prompt-toolkit==1.0.15
-protobuf==3.11.2
+protobuf==3.18.3
 psycopg2==2.8.4
 psycopg2-binary==2.8.4
 ptyprocess==0.6.0