1 files changed, 4 insertions, 0 deletions

diff --git a/.travis.yml b/.travis.yml
index 38b0ac69..e28aaf19 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,3 +58,7 @@ matrix:
   allow_failures:
   - python: pypy-5.4
 sudo: false
+branches:
+  only:
+    - master
+