diff --git a/package.json b/package.json
index dcb5dff..e65881d 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "@types/chai": "^4.3.1",
     "@types/lodash.mapvalues": "^4.6.7",
     "@types/mocha": "^9.1.1",
-    "@types/node": "^16.11.41",
+    "@types/node": "^18.8.5",
     "bn.js": "^5.2.1",
     "chai": "^4.3.6",
     "eslint": "^8.18.0",
diff --git a/yarn.lock b/yarn.lock
index bb4e465..a368b9c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -91,7 +91,7 @@ __metadata:
     "@types/chai": ^4.3.1
     "@types/lodash.mapvalues": ^4.6.7
     "@types/mocha": ^9.1.1
-    "@types/node": ^16.11.41
+    "@types/node": ^18.8.5
     bn.js: ^5.2.1
     chai: ^4.3.6
     eslint: ^8.18.0
@@ -561,10 +561,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^16.11.41":
-  version: 16.11.41
-  resolution: "@types/node@npm:16.11.41"
-  checksum: 808e4d65757bb13cf25e88dfa4e65880efef06652b04baecb051eb90cf090dda9812aa3505b31e963a48041eed7dbe0fc59c44c7c5e117da952ff951bf3a584a
+"@types/node@npm:^18.8.5":
+  version: 18.8.5
+  resolution: "@types/node@npm:18.8.5"
+  checksum: f7d896f54743178e64c534c6da16f582505acf18904ecd0ee8541cb4bc1d429ba514e7ecfd5145221b71adbd6ae1ff72df082f667e56d056fcd1a719df948e08
   languageName: node
   linkType: hard