diff --git a/package-lock.json b/package-lock.json
index e0b7c97..a504aee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,7 +19,7 @@
         "grunt-contrib-uglify": "^4.0.0",
         "grunt-contrib-watch": "^1.1.0",
         "grunt-sass": "^3.1.0",
-        "node-sass": "4.12.0"
+        "node-sass": "4.13.1"
       }
     },
     "node_modules/@11ty/dependency-tree": {
@@ -5330,9 +5330,9 @@
       }
     },
     "node_modules/node-sass": {
-      "version": "4.12.0",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.12.0.tgz",
-      "integrity": "sha512-A1Iv4oN+Iel6EPv77/HddXErL2a+gZ4uBeZUy+a8O35CFYTXhgA8MgLCWBtwpGZdCvTvQ9d+bQxX/QC36GDPpQ==",
+      "version": "4.13.1",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
+      "integrity": "sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==",
       "dev": true,
       "hasInstallScript": true,
       "dependencies": {
@@ -5343,7 +5343,7 @@
         "get-stdin": "^4.0.1",
         "glob": "^7.0.3",
         "in-publish": "^2.0.0",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.15",
         "meow": "^3.7.0",
         "mkdirp": "^0.5.1",
         "nan": "^2.13.2",
@@ -12880,9 +12880,9 @@
       }
     },
     "node-sass": {
-      "version": "4.12.0",
-      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.12.0.tgz",
-      "integrity": "sha512-A1Iv4oN+Iel6EPv77/HddXErL2a+gZ4uBeZUy+a8O35CFYTXhgA8MgLCWBtwpGZdCvTvQ9d+bQxX/QC36GDPpQ==",
+      "version": "4.13.1",
+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.13.1.tgz",
+      "integrity": "sha512-TTWFx+ZhyDx1Biiez2nB0L3YrCZ/8oHagaDalbuBSlqXgUPsdkUSzJsVxeDO9LtPB49+Fh3WQl3slABo6AotNw==",
       "dev": true,
       "requires": {
         "async-foreach": "^0.1.3",
@@ -12892,7 +12892,7 @@
         "get-stdin": "^4.0.1",
         "glob": "^7.0.3",
         "in-publish": "^2.0.0",
-        "lodash": "^4.17.11",
+        "lodash": "^4.17.15",
         "meow": "^3.7.0",
         "mkdirp": "^0.5.1",
         "nan": "^2.13.2",
diff --git a/package.json b/package.json
old mode 100755
new mode 100644
index 8d03c47..be5baa5
--- a/package.json
+++ b/package.json
@@ -22,6 +22,6 @@
     "grunt-contrib-uglify": "^4.0.0",
     "grunt-contrib-watch": "^1.1.0",
     "grunt-sass": "^3.1.0",
-    "node-sass": "4.12.0"
+    "node-sass": "4.13.1"
   }
 }