diff --git a/package-lock.json b/package-lock.json
index 0f3b963dd5..1116df0f24 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "vue",
-  "version": "2.5.11",
+  "version": "2.5.12",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2469,29 +2469,6 @@
         }
       }
     },
-    "css": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/css/-/css-2.2.1.tgz",
-      "integrity": "sha1-c6TIHehdtmTU7mdPfUcIXjstVdw=",
-      "dev": true,
-      "requires": {
-        "inherits": "2.0.3",
-        "source-map": "0.1.43",
-        "source-map-resolve": "0.3.1",
-        "urix": "0.1.0"
-      },
-      "dependencies": {
-        "source-map": {
-          "version": "0.1.43",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.1.43.tgz",
-          "integrity": "sha1-wkvBRspRfBRx9drL4lcbK3+eM0Y=",
-          "dev": true,
-          "requires": {
-            "amdefine": "1.0.1"
-          }
-        }
-      }
-    },
     "ctype": {
       "version": "0.5.3",
       "resolved": "https://registry.npmjs.org/ctype/-/ctype-0.5.3.tgz",
diff --git a/package.json b/package.json
index ecbb0fd9d3..1400afb711 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue",
-  "version": "2.5.11",
+  "version": "2.5.12",
   "description": "Reactive, component-oriented view layer for modern web interfaces.",
   "main": "dist/vue.runtime.common.js",
   "module": "dist/vue.runtime.esm.js",