diff --git a/package.json b/package.json
index b44ae62..3bef420 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "ava": "2.3.0",
     "coveralls": "^3.0.3",
     "nyc": "^13.3.0",
-    "typescript": "^3.3.4000",
+    "typescript": "^3.5.3",
     "xo": "^0.24.0"
   },
   "xo": {