diff --git a/package.json b/package.json
index 90d75879..785e9655 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "prettier": "^1.13.5",
     "proxyquire": "^2.0.1",
     "source-map-support": "^0.5.6",
-    "typescript": "~3.3.0",
+    "typescript": "~3.4.0",
     "linkinator": "^1.1.2"
   }
 }