diff --git a/.travis.yml b/.travis.yml
index 0ca0959..a0f41c6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,10 +15,12 @@ matrix:
   include:
     - php: 5.6
       env: DB=PGSQL CORE_RELEASE=master
-    - php: 5.4
+    - php: 5.5
       env: DB=MYSQL CORE_RELEASE=master
     - php: 5.3
       env: DB=MYSQL CORE_RELEASE=3.2
+    - php: 5.3
+      env: DB=MYSQL CORE_RELEASE=3
 
 before_script:
  - phpenv rehash