diff --git a/.travis.yml b/.travis.yml
index b9ad8fe..90c5358 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,7 +3,12 @@ cache: bundler
 rvm:
 - 2.3.1
 
-script: bundle exec jekyll build && bundle exec htmlproofer --check-favicon --check-html ./_site
+before_script:
+ - chmod +x ./script/cibuild # ensure script is executable
+
+# Assume bundler is being used, therefore
+# the `install` step will run `bundle install` by default.
+script: ./script/cibuild
 
 env:
   global:
diff --git a/script/cibuild b/script/cibuild
new file mode 100755
index 0000000..9cb127f
--- /dev/null
+++ b/script/cibuild
@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+set -e # halt script on error
+
+bundle exec jekyll build
+bundle exec htmlproofer --check-favicon --check-html ./_site