diff --git a/.travis.yml b/.travis.yml
index ac5b767..4e4218b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,9 @@
+jobs:
+  include:
+    - dist: xenial
+    - dist: bionic
+    - os: osx
+
 language: c
 
 script: