diff --git a/ghost/portal/package.json b/ghost/portal/package.json
index 4b87b4175f..894024c320 100644
--- a/ghost/portal/package.json
+++ b/ghost/portal/package.json
@@ -38,6 +38,7 @@
     "preship": "yarn lint",
     "ship": "STATUS=$(git status --porcelain); echo $STATUS; if [ -z \"$STATUS\" ]; then yarn publish && git push ${GHOST_UPSTREAM:-upstream} main --follow-tags; fi",
     "posttest": "yarn lint",
+    "analyze": "source-map-explorer 'build/static/js/*.js'",
     "prepublishOnly": "yarn build"
   },
   "eslintConfig": {
@@ -69,6 +70,7 @@
     "ora": "^5.4.0",
     "rewire": "5.0.0",
     "serve-handler": "^6.1.3",
+    "source-map-explorer": "^2.5.2",
     "webpack-cli": "3.3.12"
   }
 }