diff --git a/package-lock.json b/package-lock.json
index 723bd14..3394f48 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5238,7 +5238,8 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5259,12 +5260,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5279,17 +5282,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5406,7 +5412,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5418,6 +5425,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5432,6 +5440,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -5439,12 +5448,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5463,6 +5474,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5543,7 +5555,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5555,6 +5568,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5640,7 +5654,8 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5676,6 +5691,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5695,6 +5711,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5738,12 +5755,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         }
       }
     },
@@ -13500,9 +13519,9 @@
       "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
     },
     "sass": {
-      "version": "1.17.2",
-      "resolved": "https://registry.npmjs.org/sass/-/sass-1.17.2.tgz",
-      "integrity": "sha512-TBNcwSIEXpXAIaFxQnWbHzhciwPKpHRprQ+1ww+g9eHCiY3PINJs6vQTu+LcBt1vIhrtQGRFIoxJO39TfLrptA==",
+      "version": "1.19.0",
+      "resolved": "https://registry.npmjs.org/sass/-/sass-1.19.0.tgz",
+      "integrity": "sha512-8kzKCgxCzh8/zEn3AuRwzLWVSSFj8omkiGwqdJdeOufjM+I88dXxu9LYJ/Gw4rRTHXesN0r1AixBuqM6yLQUJw==",
       "dev": true,
       "requires": {
         "chokidar": "^2.0.0"
diff --git a/package.json b/package.json
index a05ec83..dc7450d 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "karma-webpack": "3.0.5",
     "moment-locales-webpack-plugin": "1.0.7",
     "nodemon": "1.18.10",
-    "sass": "1.17.2",
+    "sass": "1.19.0",
     "source-map-loader": "0.2.4",
     "stylelint": "9.10.1",
     "stylelint-config-recommended-scss": "3.2.0",