diff --git a/.travis.yml b/.travis.yml
index 2779eb7..dbb3bcc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,4 +18,5 @@ script:
 - bundle exec nanoc check mixed_content
 
 after_success:
+- chmod 600 ~/.ssh/id_rsa
 - bundle exec nanoc deploy --target public