diff --git a/package-lock.json b/package-lock.json
index 08890e6..71a3ba7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1178,9 +1178,9 @@
       "dev": true
     },
     "atob": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/atob/-/atob-2.0.3.tgz",
-      "integrity": "sha1-GcenYEc3dEaPILLS0DNyrX1Mv10=",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/atob/-/atob-2.1.2.tgz",
+      "integrity": "sha512-Wm6ukoaOGJi/73p/cl2GvLjTI5JM1k/O14isD73YML8StrH/7/lRFgmg8nICZgD3bZZvjwCGxtMOD3wWNAu8cg==",
       "dev": true
     },
     "aws-sign2": {
@@ -4505,12 +4505,6 @@
         "type-detect": "^4.0.0"
       }
     },
-    "deep-extend": {
-      "version": "0.4.2",
-      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.4.2.tgz",
-      "integrity": "sha1-SLaZwn4zS/ifEIkr5DL25MfTSn8=",
-      "dev": true
-    },
     "deep-is": {
       "version": "0.1.3",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
@@ -12800,20 +12794,26 @@
       }
     },
     "rc": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.5.tgz",
-      "integrity": "sha1-J1zWh/bjs2zHVrqibf7oCnkDAf0=",
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
       "dev": true,
       "requires": {
-        "deep-extend": "~0.4.0",
+        "deep-extend": "^0.6.0",
         "ini": "~1.3.0",
         "minimist": "^1.2.0",
         "strip-json-comments": "~2.0.1"
       },
       "dependencies": {
+        "deep-extend": {
+          "version": "0.6.0",
+          "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+          "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+          "dev": true
+        },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
@@ -15233,9 +15233,9 @@
       "dev": true
     },
     "webpack": {
-      "version": "4.17.1",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.17.1.tgz",
-      "integrity": "sha512-vdPYogljzWPhFKDj3Gcp01Vqgu7K3IQlybc3XIdKSQHelK1C3eIQuysEUR7MxKJmdandZlQB/9BG2Jb1leJHaw==",
+      "version": "4.17.2",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-4.17.2.tgz",
+      "integrity": "sha512-hCK8FPco2Paz9FVMlo3ZdVd7Jsr7qxoiEwhd7f4dMaWBLZtc7E+/9QNee4CYHlVSvpmspWBnhFpx4MiWSl3nNg==",
       "dev": true,
       "requires": {
         "@webassemblyjs/ast": "1.5.13",
@@ -15262,7 +15262,7 @@
         "tapable": "^1.0.0",
         "uglifyjs-webpack-plugin": "^1.2.4",
         "watchpack": "^1.5.0",
-        "webpack-sources": "^1.0.1"
+        "webpack-sources": "^1.2.0"
       },
       "dependencies": {
         "acorn": {
diff --git a/package.json b/package.json
index f4913fb..9df3775 100644
--- a/package.json
+++ b/package.json
@@ -80,7 +80,7 @@
     "pre-commit": "^1.2.2",
     "prettier": "^1.14.2",
     "standard-version": "^4.4.0",
-    "webpack": "^4.17.1"
+    "webpack": "^4.17.2"
   },
   "keywords": [
     "webpack"