diff --git a/package.json b/package.json
index d83e04df..c63acc95 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   },
   "devDependencies": {
     "@types/eslint-plugin-prettier": "2.2.0",
-    "@types/node": "4.2.23",
+    "@types/node": "4.9.0",
     "@types/prettier": "1.13.2",
     "nyc": "11.9.0",
     "prettier": "1.14.3",
diff --git a/yarn.lock b/yarn.lock
index 145cdecf..088a0e3f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6,9 +6,9 @@
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/@types/eslint-plugin-prettier/-/eslint-plugin-prettier-2.2.0.tgz#26170ee65ce05d811f3ef6fc2987acd525066c7f"
 
-"@types/node@4.2.23":
-  version "4.2.23"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-4.2.23.tgz#9241f00d64eb91084f68367746ef10d5fb2f2fc4"
+"@types/node@4.9.0":
+  version "4.9.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-4.9.0.tgz#5f90c43115a25ecdb945377001fdf6285cf3b2c3"
 
 "@types/prettier@1.13.2":
   version "1.13.2"