diff --git a/package-lock.json b/package-lock.json
index 94561b3d7a..c0cbbe2920 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5820,7 +5820,8 @@
     "invert-kv": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-1.0.0.tgz",
-      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY="
+      "integrity": "sha1-EEqOSqym09jNFXqO+L+rLXo//bY=",
+      "dev": true
     },
     "ip": {
       "version": "1.1.5",
@@ -6287,6 +6288,7 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/lcid/-/lcid-1.0.0.tgz",
       "integrity": "sha1-MIrMr6C8SDo4Z7S28rlQYlHRuDU=",
+      "dev": true,
       "requires": {
         "invert-kv": "^1.0.0"
       }
@@ -6483,6 +6485,7 @@
       "version": "4.1.3",
       "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-4.1.3.tgz",
       "integrity": "sha512-fFEhvcgzuIoJVUF8fYr5KR0YqxD238zgObTps31YdADwPPAp82a4M8TrckkWyx7ekNlf9aBcVn81cFwwXngrJA==",
+      "dev": true,
       "requires": {
         "pseudomap": "^1.0.2",
         "yallist": "^2.1.2"
@@ -6503,6 +6506,14 @@
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       "dev": true
     },
+    "map-age-cleaner": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/map-age-cleaner/-/map-age-cleaner-0.1.2.tgz",
+      "integrity": "sha512-UN1dNocxQq44IhJyMI4TU8phc2m9BddacHRPRjKGLYaF0jqd3xLz0jS0skpAU9WgYyoR4gHtUpzytNBS385FWQ==",
+      "requires": {
+        "p-defer": "^1.0.0"
+      }
+    },
     "map-cache": {
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
@@ -6554,6 +6565,7 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/mem/-/mem-1.1.0.tgz",
       "integrity": "sha1-Xt1StIXKHZAP5kiVUFOZoN+kX3Y=",
+      "dev": true,
       "requires": {
         "mimic-fn": "^1.0.0"
       }
@@ -9290,6 +9302,7 @@
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-2.1.0.tgz",
       "integrity": "sha512-3sslG3zJbEYcaC4YVAvDorjGxc7tv6KVATnLPZONiljsUncvihe9BQoVCEs0RZ1kmf4Hk9OBqlZfJZWI4GanKA==",
+      "dev": true,
       "requires": {
         "execa": "^0.7.0",
         "lcid": "^1.0.0",
@@ -9300,6 +9313,7 @@
           "version": "5.1.0",
           "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-5.1.0.tgz",
           "integrity": "sha1-6L0O/uWPz/b4+UUQoKVUu/ojVEk=",
+          "dev": true,
           "requires": {
             "lru-cache": "^4.0.1",
             "shebang-command": "^1.2.0",
@@ -9310,6 +9324,7 @@
           "version": "0.7.0",
           "resolved": "https://registry.npmjs.org/execa/-/execa-0.7.0.tgz",
           "integrity": "sha1-lEvs00zEHuMqY6n68nrVpl/Fl3c=",
+          "dev": true,
           "requires": {
             "cross-spawn": "^5.0.1",
             "get-stream": "^3.0.0",
@@ -9339,11 +9354,21 @@
         "object-assign": "^4.1.0"
       }
     },
+    "p-defer": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
+      "integrity": "sha1-n26xgvbJqozXQwBKfU+WsZaw+ww="
+    },
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
       "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
     },
+    "p-is-promise": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/p-is-promise/-/p-is-promise-1.1.0.tgz",
+      "integrity": "sha1-nJRWmJ6fZYgBewQ01WCXZ1w9oF4="
+    },
     "p-limit": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
@@ -9760,7 +9785,8 @@
     "pseudomap": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz",
-      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM="
+      "integrity": "sha1-8FKijacOYYkX7wqKw0wa5aaChrM=",
+      "dev": true
     },
     "psl": {
       "version": "1.1.29",
@@ -12157,18 +12183,19 @@
     "yallist": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI="
+      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "dev": true
     },
     "yargs": {
-      "version": "12.0.1",
-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.1.tgz",
-      "integrity": "sha512-B0vRAp1hRX4jgIOWFtjfNjd9OA9RWYZ6tqGA9/I/IrTMsxmKvtWy+ersM+jzpQqbC3YfLzeABPdeTgcJ9eu1qQ==",
+      "version": "12.0.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-12.0.2.tgz",
+      "integrity": "sha512-e7SkEx6N6SIZ5c5H22RTZae61qtn3PYUE8JYbBFlK9sYmh3DMQ6E5ygtaG/2BW0JZi4WGgTR2IV5ChqlqrDGVQ==",
       "requires": {
         "cliui": "^4.0.0",
         "decamelize": "^2.0.0",
         "find-up": "^3.0.0",
         "get-caller-file": "^1.0.1",
-        "os-locale": "^2.0.0",
+        "os-locale": "^3.0.0",
         "require-directory": "^2.1.1",
         "require-main-filename": "^1.0.1",
         "set-blocking": "^2.0.0",
@@ -12178,6 +12205,20 @@
         "yargs-parser": "^10.1.0"
       },
       "dependencies": {
+        "execa": {
+          "version": "0.10.0",
+          "resolved": "https://registry.npmjs.org/execa/-/execa-0.10.0.tgz",
+          "integrity": "sha512-7XOMnz8Ynx1gGo/3hyV9loYNPWM94jG3+3T3Y8tsfSstFmETmENCMU/A/zj8Lyaj1lkgEepKepvd6240tBRvlw==",
+          "requires": {
+            "cross-spawn": "^6.0.0",
+            "get-stream": "^3.0.0",
+            "is-stream": "^1.1.0",
+            "npm-run-path": "^2.0.0",
+            "p-finally": "^1.0.0",
+            "signal-exit": "^3.0.0",
+            "strip-eof": "^1.0.0"
+          }
+        },
         "find-up": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/find-up/-/find-up-3.0.0.tgz",
@@ -12186,6 +12227,19 @@
             "locate-path": "^3.0.0"
           }
         },
+        "invert-kv": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/invert-kv/-/invert-kv-2.0.0.tgz",
+          "integrity": "sha512-wPVv/y/QQ/Uiirj/vh3oP+1Ww+AWehmi1g5fFWGPF6IpCBCDVrhgHRMvrLfdYcwDh3QJbGXDW4JAuzxElLSqKA=="
+        },
+        "lcid": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/lcid/-/lcid-2.0.0.tgz",
+          "integrity": "sha512-avPEb8P8EGnwXKClwsNUgryVjllcRqtMYa49NTsbQagYuT1DcXnl1915oxWjoyGrXR6zH/Y0Zc96xWsPcoDKeA==",
+          "requires": {
+            "invert-kv": "^2.0.0"
+          }
+        },
         "locate-path": {
           "version": "3.0.0",
           "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-3.0.0.tgz",
@@ -12195,6 +12249,26 @@
             "path-exists": "^3.0.0"
           }
         },
+        "mem": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/mem/-/mem-4.0.0.tgz",
+          "integrity": "sha512-WQxG/5xYc3tMbYLXoXPm81ET2WDULiU5FxbuIoNbJqLOOI8zehXFdZuiUEgfdrU2mVB1pxBZUGlYORSrpuJreA==",
+          "requires": {
+            "map-age-cleaner": "^0.1.1",
+            "mimic-fn": "^1.0.0",
+            "p-is-promise": "^1.1.0"
+          }
+        },
+        "os-locale": {
+          "version": "3.0.1",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.0.1.tgz",
+          "integrity": "sha512-7g5e7dmXPtzcP4bgsZ8ixDVqA7oWYuEz4lOSujeWyliPai4gfVDiFIcwBg3aGCPnmSGfzOKTK3ccPn0CKv3DBw==",
+          "requires": {
+            "execa": "^0.10.0",
+            "lcid": "^2.0.0",
+            "mem": "^4.0.0"
+          }
+        },
         "p-limit": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-2.0.0.tgz",
diff --git a/package.json b/package.json
index c7637d4df7..ead9c92110 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
     "supports-color": "^5.1.0",
     "webpack-dev-middleware": "3.2.0",
     "webpack-log": "^2.0.0",
-    "yargs": "12.0.1"
+    "yargs": "12.0.2"
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",