diff --git a/dev.Dockerfile b/dev.Dockerfile
index 56a7b94..bc4030d 100644
--- a/dev.Dockerfile
+++ b/dev.Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-ARG NODE_VERSION=16
+ARG NODE_VERSION=20
 
 FROM node:${NODE_VERSION}-alpine AS base
 RUN apk add --no-cache cpio findutils git
diff --git a/package.json b/package.json
index d29a989..5dd277b 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "@actions/core": "^1.10.0"
   },
   "devDependencies": {
-    "@types/node": "^16.18.26",
+    "@types/node": "^20.6.0",
     "@typescript-eslint/eslint-plugin": "^5.59.2",
     "@typescript-eslint/parser": "^5.59.2",
     "@vercel/ncc": "^0.36.1",
diff --git a/yarn.lock b/yarn.lock
index 093ce54..f01c3e9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -220,10 +220,10 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@types/node@npm:^16.18.26":
-  version: 16.18.26
-  resolution: "@types/node@npm:16.18.26"
-  checksum: 2a746b3f9e97e00aa5d1d8cce36c5b75d5504df15e82647ad1fadbc3435ea4491203d044bbaa595edc2ab25a9ab820793f9d38dba753ad150929335fa21e24d4
+"@types/node@npm:^20.6.0":
+  version: 20.6.0
+  resolution: "@types/node@npm:20.6.0"
+  checksum: 52611801af5cf151c6fac1963aa4a8a8ca2e388a9e9ed82b01b70bca762088ded5b32cc789c5564220d5d7dccba2b8dd34446a3d4fc74736805e1f2cf262e29d
   languageName: node
   linkType: hard
 
@@ -1039,7 +1039,7 @@ __metadata:
   resolution: "github-runtime@workspace:."
   dependencies:
     "@actions/core": ^1.10.0
-    "@types/node": ^16.18.26
+    "@types/node": ^20.6.0
     "@typescript-eslint/eslint-plugin": ^5.59.2
     "@typescript-eslint/parser": ^5.59.2
     "@vercel/ncc": ^0.36.1