diff --git a/.travis.yml b/.travis.yml
index b80c1ea..3c6c198 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,16 +20,17 @@ cache:
 
 php:
   - 7.0
-  - 7.1
 
 env:
-  global:
-    - MOODLE_BRANCH=MOODLE_35_STABLE
-    - MOODLE_BRANCH=MOODLE_36_STABLE
-    - MOODLE_BRANCH=MOODLE_37_STABLE
   matrix:
-    - DB=pgsql
-    - DB=mysqli
+    - DB=pgsql MOODLE_BRANCH=master
+    - DB=pgsql MOODLE_BRANCH=MOODLE_35_STABLE
+    - DB=pgsql MOODLE_BRANCH=MOODLE_36_STABLE
+    - DB=pgsql MOODLE_BRANCH=MOODLE_37_STABLE
+    - DB=mysqli MOODLE_BRANCH=master
+    - DB=mysqli MOODLE_BRANCH=MOODLE_35_STABLE
+    - DB=mysqli MOODLE_BRANCH=MOODLE_36_STABLE
+    - DB=mysqli MOODLE_BRANCH=MOODLE_37_STABLE
 
 before_install:
   - phpenv config-rm xdebug.ini