diff --git a/.travis.yml b/.travis.yml
index 60e70be6f415930c0960e328707331221dd5657b..80c4fceabb4007ec14ce68e8ab05643a2c9f2b99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,10 @@
 language: php
 
-# We want to test against PHP 5.3/5.4/5.5
+# We want to test against PHP 5.3.3/5.4/5.5
 php:
   - 5.5
   - 5.4
-  - 5.3
+  - 5.3.3
 #  - hhvm
 
 # Separate different test suites