diff --git a/.travis.yml b/.travis.yml
index ff248de..b31d3a4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,9 +9,10 @@ addons:
       - libgirepository1.0-dev # for gobject-introspection
 rvm:
   - 2.2
-  - 2.3.2
   - 2.3.3
   - 2.4.1
+  - 2.4.2
+  - ruby-head
 matrix:
   allow_failures:
-    - rvm: 2.3.3
+    - rvm: ruby-head