diff --git a/data/Tag.json b/data/Tag.json
index 3b8206db5..7c9879a64 100644
--- a/data/Tag.json
+++ b/data/Tag.json
@@ -178,5 +178,10 @@
     "id": 36,
     "description": "These lists are known to be so big as to begin to cause loading and processing issues on weaker units, e.g. old phones",
     "name": "≥250K entries"
+  },
+  {
+    "id": 37,
+    "description": "Blocks Dynamic DNS (DDNS) address providers and hosts",
+    "name": "dynamic-domains"
   }
 ]