diff --git a/test/dummy_webpacker3/config/webpacker.yml b/test/dummy_webpacker3/config/webpacker.yml
index 92e5ef0..6bdc903 100644
--- a/test/dummy_webpacker3/config/webpacker.yml
+++ b/test/dummy_webpacker3/config/webpacker.yml
@@ -43,6 +43,12 @@ test:
   <<: *default
   compile: true
 
+  dev_server:
+    host: localhost
+    port: 8080
+    hmr: false
+    https: false
+
 production:
   <<: *default