diff --git a/.travis.yml b/.travis.yml
index 50ae872..62e6ef2 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,6 +6,9 @@ php:
 
 env:
  - DB=MYSQL CORE_RELEASE=3.1
+ - DB=PGSQL CORE_RELEASE=3.1
+ - DB=MYSQL CORE_RELEASE=master
+ - DB=PGSQL CORE_RELEASE=master
 
 matrix:
   include: