update dev deps

package.json

@@ -27,24 +27,24 @@
     "README.md"
   ],
   "devDependencies": {
-    "babel-core": "^6.26.0",
-    "babel-jest": "^22.2.0",
-    "babel-plugin-tester": "^5.0.0",
+    "babel-core": "^6.26.3",
+    "babel-jest": "^23.6.0",
+    "babel-plugin-tester": "^5.5.2",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
-    "coveralls": "^3.0.0",
-    "eslint": "^4.17.0",
-    "eslint-config-standard": "^11.0.0-beta.0",
-    "eslint-plugin-import": "^2.8.0",
-    "eslint-plugin-node": "^6.0.0",
-    "eslint-plugin-promise": "^3.6.0",
-    "eslint-plugin-standard": "^3.0.1",
-    "husky": "^0.14.3",
-    "jest": "^22.2.1",
-    "jest-cli": "^22.2.1",
-    "lint-staged": "^7.0.0",
-    "npmpub": "^3.1.0",
-    "prettier": "^1.10.2"
+    "coveralls": "^3.0.2",
+    "eslint": "^5.12.1",
+    "eslint-config-standard": "^12.0.0",
+    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-node": "^8.0.1",
+    "eslint-plugin-promise": "^4.0.1",
+    "eslint-plugin-standard": "^4.0.0",
+    "husky": "^1.3.1",
+    "jest": "^23.6.0",
+    "jest-cli": "^23.6.0",
+    "lint-staged": "^8.1.0",
+    "npmpub": "^4.1.0",
+    "prettier": "^1.16.0"
   },
   "lint-staged": {
     "*.js": [