diff --git a/.travis.yml b/.travis.yml
index 62778419..6391c088 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -134,6 +134,12 @@ matrix:
   - os: osx
     osx_image: xcode9
 
+  - os: osx
+    osx_image: xcode9.1
+
+  - os: osx
+    osx_image: xcode9.2
+
   # Linux / GCC
 
   - os: linux