diff --git a/.travis.yml b/.travis.yml
index 3b1aed27e..d0d0e6144 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -66,6 +66,13 @@ jobs:
         - composer config minimum-stability alpha
         - travis_retry composer update -n --prefer-dist
 
+    # Test dev level software
+    - php: nightly
+      env: stability=dev
+      install:
+        - composer config minimum-stability dev
+        - travis_retry composer update -n --prefer-dist
+
     - stage: Code Quality
       env: CODING_STANDARDS
       php: 7.1