diff --git a/.travis.yml b/.travis.yml
index b5758b7..9f61e42 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ php:
     - 5.5
     - 5.6
     - 7
-    - hhvm
+    - hhvm-nightly
 
 matrix:
     allow_failures:
@@ -21,4 +21,4 @@ before_script:
     - sh tests/ab/run_ab_tests.sh
 
 script:
-    - phpunit
\ No newline at end of file
+    - phpunit