diff --git a/package.json b/package.json
index fabaa472e5..a4158a9a74 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "btoa": "~1.1.2",
     "glob": "~5.0.3",
     "grunt": "~0.4.5",
-    "grunt-autoprefixer": "~2.2.0",
+    "grunt-autoprefixer": "~3.0.0",
     "grunt-banner": "~0.3.1",
     "grunt-contrib-clean": "~0.6.0",
     "grunt-contrib-compress": "~0.13.0",
diff --git a/test-infra/npm-shrinkwrap.json b/test-infra/npm-shrinkwrap.json
index a779e94fd8..381062de1e 100644
--- a/test-infra/npm-shrinkwrap.json
+++ b/test-infra/npm-shrinkwrap.json
@@ -249,8 +249,8 @@
       }
     },
     "grunt-autoprefixer": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/grunt-autoprefixer/-/grunt-autoprefixer-2.2.0.tgz",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/grunt-autoprefixer/-/grunt-autoprefixer-3.0.0.tgz",
       "dependencies": {
         "autoprefixer-core": {
           "version": "5.1.8",
@@ -291,46 +291,50 @@
           }
         },
         "chalk": {
-          "version": "0.5.1",
-          "resolved": "https://registry.npmjs.org/chalk/-/chalk-0.5.1.tgz",
+          "version": "1.0.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.0.0.tgz",
           "dependencies": {
             "ansi-styles": {
-              "version": "1.1.0",
-              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-1.1.0.tgz"
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.0.1.tgz"
             },
             "escape-string-regexp": {
               "version": "1.0.3",
               "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.3.tgz"
             },
             "has-ansi": {
-              "version": "0.1.0",
-              "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-0.1.0.tgz",
+              "version": "1.0.3",
+              "resolved": "https://registry.npmjs.org/has-ansi/-/has-ansi-1.0.3.tgz",
               "dependencies": {
                 "ansi-regex": {
-                  "version": "0.2.1",
-                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-0.2.1.tgz"
+                  "version": "1.1.1",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-1.1.1.tgz"
+                },
+                "get-stdin": {
+                  "version": "4.0.1",
+                  "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz"
                 }
               }
             },
             "strip-ansi": {
-              "version": "0.3.0",
-              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-0.3.0.tgz",
+              "version": "2.0.1",
+              "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-2.0.1.tgz",
               "dependencies": {
                 "ansi-regex": {
-                  "version": "0.2.1",
-                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-0.2.1.tgz"
+                  "version": "1.1.1",
+                  "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-1.1.1.tgz"
                 }
               }
             },
             "supports-color": {
-              "version": "0.2.0",
-              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-0.2.0.tgz"
+              "version": "1.3.1",
+              "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-1.3.1.tgz"
             }
           }
         },
         "diff": {
-          "version": "1.2.2",
-          "resolved": "https://registry.npmjs.org/diff/-/diff-1.2.2.tgz"
+          "version": "1.3.2",
+          "resolved": "https://registry.npmjs.org/diff/-/diff-1.3.2.tgz"
         }
       }
     },