diff --git a/packages/grpc-js/package.json b/packages/grpc-js/package.json
index e0827fbe..968fbe37 100644
--- a/packages/grpc-js/package.json
+++ b/packages/grpc-js/package.json
@@ -15,14 +15,14 @@
   "types": "build/src/index.d.ts",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@grpc/proto-loader": "^0.4.0",
+    "@grpc/proto-loader": "^0.5.0",
     "@types/lodash": "^4.14.108",
     "@types/mocha": "^5.2.6",
-    "@types/node": "^11.13.2",
+    "@types/node": "^12.0.2",
     "clang-format": "^1.0.55",
     "gts": "^0.9.0",
     "lodash": "^4.17.4",
-    "typescript": "~3.3.3333"
+    "typescript": "~3.4.5"
   },
   "contributors": [
     {