diff --git a/package.json b/package.json
index c49448827..abea23d6b 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "lodash": "^4.11.1",
     "mdast-util-inject": "^1.1.0",
     "micromatch": "^3.0.0",
-    "mime": "^1.4.1",
+    "mime": "^2.2.0",
     "module-deps-sortable": "4.0.6",
     "parse-filepath": "^1.0.1",
     "pify": "^3.0.0",
@@ -137,8 +137,7 @@
   },
   "greenkeeper": {
     "ignore": [
-      "remote-origin-url",
-      "mime"
+      "remote-origin-url"
     ]
   }
 }
diff --git a/src/serve/server.js b/src/serve/server.js
index 75efca443..dfcf2fa0b 100644
--- a/src/serve/server.js
+++ b/src/serve/server.js
@@ -75,7 +75,7 @@ class Server extends EventEmitter {
       var file = this._files[i];
       var filePath = file.relative.split(sep).join('/');
       if (filePath === path) {
-        response.writeHead(200, { 'Content-Type': mime.lookup(path) });
+        response.writeHead(200, { 'Content-Type': mime.getType(path) });
         response.end(file.contents);
         return;
       }
diff --git a/yarn.lock b/yarn.lock
index b1a821d23..05b5f0cac 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4102,9 +4102,9 @@ mime-types@~2.1.17:
   dependencies:
     mime-db "~1.30.0"
 
-mime@^1.4.1:
-  version "1.4.1"
-  resolved "https://registry.yarnpkg.com/mime/-/mime-1.4.1.tgz#121f9ebc49e3766f311a76e1fa1c8003c4b03aa6"
+mime@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/mime/-/mime-2.2.0.tgz#161e541965551d3b549fa1114391e3a3d55b923b"
 
 mimic-fn@^1.0.0:
   version "1.1.0"