Bump deps

package.json

@@ -1,6 +1,6 @@
 {
   "name": "viewability",
-  "version": "1.3.3",
+  "version": "1.3.4",
   "description": "Returns how viewable an element is",
   "main": "viewability.js",
   "scripts": {
@@ -39,10 +39,10 @@
   "author": "KahWee Teng <tengkahwee@gmail.com> (https://kw.sg/)",
   "license": "ISC",
   "devDependencies": {
-    "@babel/core": "^7.1.2",
-    "@babel/preset-env": "^7.1.0",
-    "babel-loader": "^8.0.4",
-    "babel-plugin-istanbul": "^5.1.0",
+    "@babel/core": "^7.4.5",
+    "@babel/preset-env": "^7.4.5",
+    "babel-loader": "^8.0.6",
+    "babel-plugin-istanbul": "^5.1.4",
     "babel-polyfill": "6.26.0",
     "chai": "^4.2.0",
     "coveralls": "^3.0.2",
@@ -55,10 +55,10 @@
     "karma-coverage": "^1.1.2",
     "karma-mocha": "^1.3.0",
     "karma-webpack": "^3.0.5",
-    "mocha": "^5.2.0",
+    "mocha": "^6.1.4",
     "mocha-lcov-reporter": "^1.3.0",
     "standard": "^12.0.1",
-    "webpack": "^4.20.2",
-    "webpack-cli": "^3.1.2"
+    "webpack": "^4.32.2",
+    "webpack-cli": "^3.3.2"
   }
 }