diff --git a/.travis.yml b/.travis.yml
index cb35041986b..d2bcc5e2256 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ language: node_js
 
 branches:
   only:
+    - webpack-4
     - master
     - next
 
diff --git a/appveyor.yml b/appveyor.yml
index e20813b7ab0..27dbc7ab5bd 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -3,6 +3,7 @@
 
 branches:
   only:
+    - webpack-4
     - master
     - next