diff --git a/.npmignore b/.npmignore
index d2804e653..dca4525fb 100644
--- a/.npmignore
+++ b/.npmignore
@@ -9,28 +9,46 @@
 /.bowerrc
 /.editorconfig
 /.ember-cli
+/.env*
+/.eslintcache
 /.eslintignore
 /.eslintrc.js
+/.git/
+/.github/
 /.gitignore
+/.prettierignore
+/.prettierrc.js
 /.template-lintrc.js
 /.travis.yml
 /.watchmanconfig
 /bower.json
 /config/ember-try.js
+/CONTRIBUTING.md
 /ember-cli-build.js
 /testem.js
 /tests/
+/yarn-error.log
 /yarn.lock
 .gitkeep
 
+# ember-try
+/.node_modules.ember-try/
+/bower.json.ember-try
+/npm-shrinkwrap.json.ember-try
+/package.json.ember-try
+/package-lock.json.ember-try
+/yarn.lock.ember-try
+
 # TS sources and compiled tests
 /ts/
 /js/tests/
 /test-fixtures/
 
-
-# ember-try
-/.node_modules.ember-try/
-/bower.json.ember-try
-/package.json.ember-try
-/config/addon-docs.js
\ No newline at end of file
+# custom
+/commitlint.config.js
+/.vscode/
+/renovate.json
+/CODE_OF_CONDUCT.md
+/rfcs
+/*.sh
+/.gitbook.yaml