diff --git a/.travis.yml b/.travis.yml
index 8464354..dc57d31 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ env:
   global:
   - NOKOGIRI_USE_SYSTEM_LIBRARIES=true
 sudo: false
-script: bundle exec jekyll build && bundle exec htmlproofer ./_site
+script: bundle exec jekyll build && bundle exec htmlproofer ./_site --disable-external
 before_deploy:
 - openssl aes-256-cbc -K $encrypted_518a90de15e0_key -iv $encrypted_518a90de15e0_iv
   -in deploy_ed25519.enc -out deploy_ed25519 -d