diff --git a/package.json b/package.json
index 5b13f19..a5ac1be 100644
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "test:migrations": "mocha tests/filesystems/migrations",
     "pretest": "npm run lint",
     "test": "npm run karma-mocha",
+    "posttest": "npm run test:migrations",
     "prebuild": "parcel build --global Filer src/index.js --no-minify --out-file filer.js",
     "build": "parcel build --global Filer src/index.js --out-file filer.min.js --detailed-report",
     "build-tests": "parcel build tests/index.js --no-source-maps --out-dir tests/dist",