diff --git a/.travis.yml b/.travis.yml
index 66fe7bd9..d1b6f65f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,6 +17,7 @@ matrix:
   allow_failures:
     - php: 5.4
     - php: 7.1
+    - php: nightly
 
 install:
   - ./travis-init.sh