diff --git a/.npmignore b/.npmignore
index 71e1eeb1cd..f34b166182 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,4 +1,12 @@
 docker/*
 docs/*
 test/*
-sitespeed-result/*
\ No newline at end of file
+sitespeed-result/*
+release/*
+.netlify
+.spelling
+.github
+Gemfile
+Gemfile.lock
+wpr-record.log
+wpr-replay.log
\ No newline at end of file