diff --git a/package-lock.json b/package-lock.json
index 96cb689..c2594b4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3543,14 +3543,64 @@
       }
     },
     "extract-text-webpack-plugin": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/extract-text-webpack-plugin/-/extract-text-webpack-plugin-1.0.1.tgz",
-      "integrity": "sha1-yVvzy6rEnclvHcbgclSfu2VMzSw=",
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extract-text-webpack-plugin/-/extract-text-webpack-plugin-3.0.2.tgz",
+      "integrity": "sha512-bt/LZ4m5Rqt/Crl2HiKuAl/oqg0psx1tsTLkvWbJen1CtD+fftkZhMaQ9HOtY2gWsl2Wq+sABmMVi9z3DhKWQQ==",
       "dev": true,
       "requires": {
-        "async": "^1.5.0",
-        "loader-utils": "^0.2.3",
-        "webpack-sources": "^0.1.0"
+        "async": "^2.4.1",
+        "loader-utils": "^1.1.0",
+        "schema-utils": "^0.3.0",
+        "webpack-sources": "^1.0.1"
+      },
+      "dependencies": {
+        "ajv": {
+          "version": "5.5.2",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+          "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+          "dev": true,
+          "requires": {
+            "co": "^4.6.0",
+            "fast-deep-equal": "^1.0.0",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.3.0"
+          }
+        },
+        "async": {
+          "version": "2.6.1",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
+          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+          "dev": true,
+          "requires": {
+            "lodash": "^4.17.10"
+          }
+        },
+        "json5": {
+          "version": "0.5.1",
+          "resolved": "https://registry.npmjs.org/json5/-/json5-0.5.1.tgz",
+          "integrity": "sha1-Hq3nrMASA0rYTiOWdn6tn6VJWCE=",
+          "dev": true
+        },
+        "loader-utils": {
+          "version": "1.1.0",
+          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.1.0.tgz",
+          "integrity": "sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=",
+          "dev": true,
+          "requires": {
+            "big.js": "^3.1.3",
+            "emojis-list": "^2.0.0",
+            "json5": "^0.5.0"
+          }
+        },
+        "schema-utils": {
+          "version": "0.3.0",
+          "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.3.0.tgz",
+          "integrity": "sha1-9YdyIs4+kx7a4DnxfrNxbnE3+M8=",
+          "dev": true,
+          "requires": {
+            "ajv": "^5.0.0"
+          }
+        }
       }
     },
     "extsprintf": {
@@ -12481,13 +12531,27 @@
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     "webpack-sources": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-0.1.5.tgz",
-      "integrity": "sha1-qh86vw8NdNtxEcQOUAuE+WZkB1A=",
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
+      "integrity": "sha512-aqYp18kPphgoO5c/+NaUvEeACtZjMESmDChuD3NBciVpah3XpMEU9VAAtIaB1BsfJWWTSdv8Vv1m3T0aRk2dUw==",
       "dev": true,
       "requires": {
-        "source-list-map": "~0.1.7",
-        "source-map": "~0.5.3"
+        "source-list-map": "^2.0.0",
+        "source-map": "~0.6.1"
+      },
+      "dependencies": {
+        "source-list-map": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-2.0.0.tgz",
+          "integrity": "sha512-I2UmuJSRr/T8jisiROLU3A3ltr+swpniSmNPI4Ml3ZCX6tVnDsuZzK7F2hl5jTqbZBWCEKlj5HRQiPExXLgE8A==",
+          "dev": true
+        },
+        "source-map": {
+          "version": "0.6.1",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+          "dev": true
+        }
       }
     },
     "websocket-driver": {
diff --git a/package.json b/package.json
index e748c86..894ddcc 100644
--- a/package.json
+++ b/package.json
@@ -26,7 +26,7 @@
     "eslint-plugin-import": "^2.13.0",
     "eslint-plugin-jsx-a11y": "2.2.3",
     "eslint-plugin-react": "7.10.0",
-    "extract-text-webpack-plugin": "1.0.1",
+    "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "0.9.0",
     "filesize": "3.3.0",
     "find-cache-dir": "2.0.0",