diff --git a/.npmignore b/.npmignore
index 6bd1a23cd..a8f71db01 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,29 +1,18 @@
-/.idea
-/.rpt2_cache
 /bower_components
 /config/ember-try.js
 /coverage
 /dist/ember
+/dist/addon-test-support/**/*.d.ts
 **/__tests__/
 /lib/
 /tests
 /tmp
 *.tgz
-**/.gitkeep
-.babelrc
-.bowerrc
-.editorconfig
-.ember-cli
-.eslintcache
-.eslintignore
-.eslintrc.js
-.gitignore
-.prettierrc.js
-.travis.yml
-.watchmanconfig
+.*
 bower.json
 documentation.yml
 ember-cli-build.js
+RELEASE.md
 rollup.config.js
 testem.js
 tsconfig.json