diff --git a/.travis.yml b/.travis.yml
index 9344ba51..13c5aae0 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,6 +17,7 @@ before_deploy:
 - openssl aes-256-cbc -K $encrypted_85fecf66b314_key -iv $encrypted_85fecf66b314_iv -in mew.gpg.enc -out mew.gpg -d
 - mkdir deploy
 - gpg --allow-secret-key-import --import mew.gpg
+- gulp clean
 - gulp travisZip
 - |
   for f in deploy/*; do