diff --git a/Source/domainset/cdn.conf b/Source/domainset/cdn.conf
index be2f59c2..61f3a090 100644
--- a/Source/domainset/cdn.conf
+++ b/Source/domainset/cdn.conf
@@ -735,6 +735,7 @@ phishing.army
 .1passwordusercontent.ca
 .1passwordusercontent.eu
 i.1password.com
+c.1password.com
 static.agilebits.com
 cache.agilebits.com
 .v-cdn.net