diff --git a/package.json b/package.json
index c82e0a5c6d..b72798f9b2 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
     "size": "npm run build && size-limit",
     "fix": "npm run fix --workspaces --if-present",
     "check": "npm run check --workspaces --if-present",
+    "check:ws": "[ $(ls -1 ./packages|wc -l) -eq $(cat package.json | jq '.workspaces | length') ] || exit 1 # check no packages left behind",
     "test": "npm run test --workspaces --if-present",
     "test:browser": "npm run test:browser --workspaces --if-present",
     "test:node": "npm run test:node --workspaces --if-present",