diff --git a/package-lock.json b/package-lock.json
index cc316fa..5673e06 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -351,9 +351,9 @@
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@@ -9989,7 +9959,7 @@
         "string-width": "^1.0.2",
         "which-module": "^1.0.0",
         "y18n": "^3.2.1",
-        "yargs-parser": "^5.0.0"
+        "yargs-parser": "5.0.0-security.0"
       },
       "dependencies": {
         "camelcase": {
@@ -10001,12 +9971,13 @@
       }
     },
     "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+      "version": "5.0.0-security.0",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0-security.0.tgz",
+      "integrity": "sha512-T69y4Ps64LNesYxeYGYPvfoMTt/7y1XtfpIslUeK4um+9Hu7hlGoRtaDLvdXb7+/tfq4opVa2HRY5xGip022rQ==",
       "dev": true,
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "^3.0.0",
+        "object.assign": "^4.1.0"
       },
       "dependencies": {
         "camelcase": {
diff --git a/package.json b/package.json
index cbd0f3b..baad0d9 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
     "cross-env": "^5.0.5",
     "css-loader": "^0.28.7",
     "file-loader": "^1.1.4",
-    "node-sass": "^4.5.3",
+    "node-sass": "^4.13.1",
     "sass-loader": "^6.0.6",
     "style-loader": "^0.13.1",
     "stylus": "^0.54.5",