diff --git a/package-lock.json b/package-lock.json
index 57ad8075..0b448e6a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6342,6 +6342,12 @@
         "lodash.toplainobject": "3.0.0"
       }
     },
+    "lodash.mergewith": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/lodash.mergewith/-/lodash.mergewith-4.6.0.tgz",
+      "integrity": "sha1-FQzwoWeR9ZA7iJHqsVRgknS96lU=",
+      "dev": true
+    },
     "lodash.pairs": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/lodash.pairs/-/lodash.pairs-3.0.1.tgz",
@@ -6895,9 +6901,9 @@
       }
     },
     "node-sass": {
-      "version": "3.10.1",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-3.10.1.tgz",
-      "integrity": "sha1-xTWy4aVDkkBZHgbXMIy2Y4INYWw=",
+      "version": "4.7.2",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.7.2.tgz",
+      "integrity": "sha512-CaV+wLqZ7//Jdom5aUFCpGNoECd7BbNhjuwdsX/LkXBrHl8eb1Wjw4HvWqcFvhr5KuNgAk8i/myf/MQ1YYeroA==",
       "dev": true,
       "requires": {
         "async-foreach": "0.1.3",
@@ -6909,13 +6915,16 @@
         "in-publish": "2.0.0",
         "lodash.assign": "4.2.0",
         "lodash.clonedeep": "4.5.0",
+        "lodash.mergewith": "4.6.0",
         "meow": "3.7.0",
         "mkdirp": "0.5.1",
         "nan": "2.7.0",
         "node-gyp": "3.6.2",
         "npmlog": "4.1.2",
         "request": "2.79.0",
-        "sass-graph": "2.2.4"
+        "sass-graph": "2.2.4",
+        "stdout-stream": "1.4.0",
+        "true-case-path": "1.0.2"
       }
     },
     "nomnomnomnom": {
@@ -9273,6 +9282,15 @@
       "integrity": "sha1-+vUbnrdKrvOzrPStX2Gr8ky3uT4=",
       "dev": true
     },
+    "stdout-stream": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/stdout-stream/-/stdout-stream-1.4.0.tgz",
+      "integrity": "sha1-osfIWH5U2UJ+qe2zrD8s1SLfN4s=",
+      "dev": true,
+      "requires": {
+        "readable-stream": "2.3.3"
+      }
+    },
     "stream-browserify": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/stream-browserify/-/stream-browserify-2.0.1.tgz",
@@ -9612,6 +9630,30 @@
       "integrity": "sha1-yy4SAwZ+DI3h9hQJS5/kVwTqYAM=",
       "dev": true
     },
+    "true-case-path": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/true-case-path/-/true-case-path-1.0.2.tgz",
+      "integrity": "sha1-fskRMJJHZsf1c74wIMNPj9/QDWI=",
+      "dev": true,
+      "requires": {
+        "glob": "6.0.4"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "6.0.4",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-6.0.4.tgz",
+          "integrity": "sha1-DwiGD2oVUSey+t1PnOJLGqtuTSI=",
+          "dev": true,
+          "requires": {
+            "inflight": "1.0.6",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4",
+            "once": "1.4.0",
+            "path-is-absolute": "1.0.1"
+          }
+        }
+      }
+    },
     "tryit": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/tryit/-/tryit-1.0.3.tgz",
diff --git a/package.json b/package.json
index 720d75e2..f00f97e0 100644
--- a/package.json
+++ b/package.json
@@ -82,7 +82,7 @@
     "mocha": "2.5.3",
     "mocha-generators": "1.2.0",
     "mocha-loader": "0.7.1",
-    "node-sass": "3.10.1",
+    "node-sass": "4.7.2",
     "phantomjs-prebuilt": "2.1.14",
     "pug": "2.0.0-beta11",
     "pug-loader": "2.3.0",