diff --git a/Source/domainset/cdn.conf b/Source/domainset/cdn.conf
index 6de484c4..46af73df 100644
--- a/Source/domainset/cdn.conf
+++ b/Source/domainset/cdn.conf
@@ -1488,6 +1488,7 @@ denali-static.grammarly.com
 assets.extension.grammarly.com
 assets.grammarly.com
 static.grammarly.com
+static.institution.grammarly.com
 # this domain is beind cloudfront, so put this to cdn hosts
 config.extension.grammarly.com
 # okta