diff --git a/package-lock.json b/package-lock.json
index 72a672b..78e1f37 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,18 +4,53 @@
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-      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
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@@ -68,6 +104,11 @@
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         "y18n": "^3.2.1",
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+        "yargs-parser": "^9.0.2"
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+        "ansi-regex": {
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-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-3.0.0.tgz",
+          "integrity": "sha1-7QMXwyIGT3lGbAKWa922Bas32Zg="
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-          "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
-          "integrity": "sha1-EgYBU3qRbSmUD5NNo7SNWFo5IT0=",
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-4.1.0.tgz",
+          "integrity": "sha512-4FG+RSG9DL7uEwRUZXZn3SS34DiDPfzP0VOiEwtUWlE+AR2EIg+hSyvrIgUUfhdgR/UkAeW2QHgeP+hWrXs7jQ==",
           "requires": {
-            "string-width": "^1.0.1",
-            "strip-ansi": "^3.0.1",
+            "string-width": "^2.1.1",
+            "strip-ansi": "^4.0.0",
             "wrap-ansi": "^2.0.0"
           }
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-        "is-fullwidth-code-point": {
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-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
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-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+        "strip-ansi": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-4.0.0.tgz",
+          "integrity": "sha1-qEeQIusaw2iocTibY1JixQXuNo8=",
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-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
+            "ansi-regex": "^3.0.0"
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     "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": "9.0.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-9.0.2.tgz",
+      "integrity": "sha1-nM9qQ0YP5O1Aqbto9I1DuKaMwHc=",
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "^4.1.0"
       },
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         "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo="
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0="
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diff --git a/package.json b/package.json
index a989ce0..8627a0c 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "file-loader": "1.1.5",
     "fs-extra": "3.0.1",
     "html-webpack-plugin": "2.29.0",
-    "jest": "20.0.4",
+    "jest": "23.0.0",
     "object-assign": "4.1.1",
     "postcss-flexbugs-fixes": "3.2.0",
     "postcss-loader": "2.0.8",
@@ -42,7 +42,7 @@
     "sw-precache-webpack-plugin": "0.11.4",
     "url-loader": "0.6.2",
     "webpack": "3.8.1",
-    "webpack-dev-server": "2.9.4",
+    "webpack-dev-server": "2.11.4",
     "webpack-manifest-plugin": "1.3.2",
     "whatwg-fetch": "2.0.3"
   },