diff --git a/build/change-version.js b/build/change-version.js
index f1b4f747a7..48b2eb7292 100755
--- a/build/change-version.js
+++ b/build/change-version.js
@@ -83,6 +83,7 @@ function main(args) {
   const newVersion = args[1]
   const EXCLUDED_DIRS = new Set([
     '.git',
+    '_gh_pages',
     'node_modules',
     'vendor'
   ])