chore(deps): fix deps

Author: christianalfoni

package.json

@@ -47,7 +47,7 @@
   "devDependencies": {
     "@babel/core": "7.0.0-rc.1",
     "@babel/preset-react": "7.0.0-rc.1",
-    "@babel/preset-typescript": "^7.0.0-rc.1",
+    "@babel/preset-typescript": "7.0.0-rc.1",
     "@types/jest": "23.1.4",
     "@types/react": "16.4.6",
     "@types/react-dom": "16.0.6",
@@ -80,9 +80,9 @@
     "react-test-renderer": "16.4.1",
     "repo-cooker": "^6.2.5",
     "rimraf": "2.6.2",
-    "source-map-loader": "^0.2.4",
+    "source-map-loader": "0.2.4",
     "ts-jest": "23.0.0",
-    "ts-loader": "^4.5.0",
+    "ts-loader": "4.4.2",
     "tslib": "1.9.3",
     "typescript": "2.9.2",
     "typescript-eslint-parser": "^16.0.1",