diff --git a/MANIFEST.json b/MANIFEST.json
index 4bf267e..bafb40e 100644
--- a/MANIFEST.json
+++ b/MANIFEST.json
@@ -35,6 +35,11 @@
       "name": "binary-class",
       "description": ""
     },
+    {
+      "version": 1,
+      "name": "CERT-XLM",
+      "description": "CERT-XLM Security Incident Classification."
+    },
     {
       "version": 1,
       "name": "circl",