diff --git a/.travis.yml b/.travis.yml
index ffec9e6..e2af62e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,2 +1,8 @@
 language: c
 script: make
+branches:
+  only:
+  - master
+matrix:
+  include:
+    - os: linux