diff --git a/.travis.yml b/.travis.yml
index 087700f..2e243df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,32 +16,24 @@ env:
 matrix:
   include:
 
+  - php: 7.0
+    env: BRANCH=2.2.5
   - php: 7.1
     env: BRANCH=2.2.5
-  - php: 7.2
-    env: BRANCH=2.2.5
-  - php: 7.3
-    env: BRANCH=2.2.5
 
+  - php: 7.0
+    env: BRANCH=2.2.6
   - php: 7.1
     env: BRANCH=2.2.6
-  - php: 7.2
-    env: BRANCH=2.2.6
-  - php: 7.3
-    env: BRANCH=2.2.6
 
+  - php: 7.0
+    env: BRANCH=2.2.7
   - php: 7.1
     env: BRANCH=2.2.7
-  - php: 7.2
-    env: BRANCH=2.2.7
-  - php: 7.3
-    env: BRANCH=2.2.7
 
-  - php: 7.1
+  - php: 7.0
     env: BRANCH=2.2.8
-  - php: 7.2
-    env: BRANCH=2.2.8
-  - php: 7.3
+  - php: 7.1
     env: BRANCH=2.2.8
 
 before_script: