diff --git a/.travis.yml b/.travis.yml
index 08b4344f..387e3758 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -49,7 +49,7 @@ matrix:
   - rvm: 2.4.3
     bundler_args: --without development release
     dist: trusty
-    env: PUPPET_INSTALL_TYPE=agent BEAKER_debug=true BEAKER_set=docker/debian-8
+    env: PUPPET_INSTALL_TYPE=agent BEAKER_debug=true BEAKER_set=docker/debian-7
     script: 'bundle exec rspec spec/acceptance/php56_spec.rb'
     services: docker
     sudo: require