diff --git a/.travis.yml b/.travis.yml
index 253732808..71accd347 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,11 @@
 git:
   depth: 10
 
+branches:
+  only:
+  - master
+  - /^[0-9.]+-releases$/
+
 matrix:
   include:
     - os: linux
diff --git a/appveyor.yml b/appveyor.yml
index 410f4ecf5..5259aacb0 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,6 +6,11 @@ skip_tags: true
 clone_folder: c:\projects\atom
 clone_depth: 10
 
+branches:
+  only:
+  - master
+  - /^[0-9.]+-releases$/
+
 platform:
   - x64
   - x86