diff --git a/manifest.json b/manifest.json
index 424cf31..d68d954 100644
--- a/manifest.json
+++ b/manifest.json
@@ -13,7 +13,8 @@
         "website": "https://hackmd.io/",
         "admindoc": "https://hackmd.io/c/codimd-documentation/%2Fs%2Fcodimd-documentation#Administration-Guides",
         "userdoc": "https://hackmd.io/c/codimd-documentation/%2Fs%2Fcodimd-documentation#User-Guides",
-        "code": "https://github.com/hackmdio/codimd"
+        "code": "https://github.com/hackmdio/codimd",
+        "cpe": "cpe:2.3:a:hackmd:codimd"
     },
     "license": "AGPL-3.0-only",
     "maintainer": {
@@ -27,7 +28,7 @@
         "nginx"
     ],
     "arguments": {
-        "install" : [
+        "install": [
             {
                 "name": "domain",
                 "type": "domain"
@@ -43,4 +44,4 @@
             }
         ]
     }
-}
+}
\ No newline at end of file