diff --git a/.travis.yml b/.travis.yml
index f606bc8..9cd86ab 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,14 +4,14 @@ sudo: false
 
 matrix:
   include:
+    - php: 5.6
+      env: DB=PGSQL CORE_RELEASE=3.5
+    - php: 5.6
+      env: DB=SQLITE3 CORE_RELEASE=3.5
+    - php: 5.6
+      env: DB=MYSQL CORE_RELEASE=3.5
     - php: 5.3
-      env: DB=PGSQL CORE_RELEASE=3.1
-    - php: 5.6
-      env: DB=MYSQL CORE_RELEASE=3.2
-    - php: 5.6
-      env: DB=SQLITE3 CORE_RELEASE=3.2
-    - php: 5.6
-      env: DB=MYSQL CORE_RELEASE=3.3
+      env: DB=MYSQL CORE_RELEASE=3.1
 
 before_script:
  - phpenv rehash