Pin dependencies

package.json

@@ -26,19 +26,19 @@
   "license": "GPL-3.0",
   "devDependencies": {
     "babel-core": "6.26.3",
-    "babel-loader": "^7.0.0",
-    "babel-preset-es2015": "^6.22.0",
-    "babel-preset-react": "^6.23.0",
-    "babel-preset-stage-0": "^6.22.0",
-    "babel-register": "^6.23.0",
-    "electron": "^8.0.1",
-    "electron-packager": "^14.2.1",
-    "eslint": "^4.0.0",
-    "eslint-plugin-react": "^7.1.0",
-    "install": "^0.10.1",
-    "node-sass": "^4.5.0",
-    "rimraf": "^2.5.4",
-    "webpack": "^3.3.0"
+    "babel-loader": "7.1.5",
+    "babel-preset-es2015": "6.24.1",
+    "babel-preset-react": "6.24.1",
+    "babel-preset-stage-0": "6.24.1",
+    "babel-register": "6.26.0",
+    "electron": "8.5.5",
+    "electron-packager": "14.2.1",
+    "eslint": "4.19.1",
+    "eslint-plugin-react": "7.30.0",
+    "install": "0.10.4",
+    "node-sass": "4.14.1",
+    "rimraf": "2.7.1",
+    "webpack": "3.12.0"
   },
   "dependencies": {
     "angular": "^1.6.2",