diff --git a/package.json b/package.json
index 14d5770..be69f5b 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "pub": "npm publish && git push origin"
   },
   "licenses": "MIT",
-  "dependencies": {
-    "webpack-dev-middleware": "^1.10.0"
+  "peerDependencies": {
+    "webpack-dev-middleware": ">=1.10.0"
   }
 }
diff --git a/src/index.js b/src/index.js
index 3954cf4..7182e4e 100644
--- a/src/index.js
+++ b/src/index.js
@@ -32,7 +32,10 @@ module.exports = (compiler, option) => {
       locals,
       setHeader() {
         ctx.set.apply(ctx, arguments);
-      }
+      },
+      getHeader() {
+        ctx.get.apply(ctx, arguments);
+      },
     });
 
     if (runNext) {