diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index d59927b..48847eb 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -1,5 +1,5 @@
-# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 18, 16, 14, 18-bullseye, 16-bullseye, 14-bullseye, 18-buster, 16-buster, 14-buster
-ARG VARIANT=16-bullseye
+# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 22, 20, 18, 22-bullseye, 20-bullseye, 18-bullseye
+ARG VARIANT=22-bullseye
 FROM mcr.microsoft.com/vscode/devcontainers/typescript-node:0-${VARIANT}
 
 # [Optional] Uncomment this section to install additional OS packages.
diff --git a/.devcontainer/base.Dockerfile b/.devcontainer/base.Dockerfile
index 35b6654..2b9ce16 100644
--- a/.devcontainer/base.Dockerfile
+++ b/.devcontainer/base.Dockerfile
@@ -1,5 +1,5 @@
-# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 18, 16, 14, 18-bullseye, 16-bullseye, 14-bullseye, 18-buster, 16-buster, 14-buster
-ARG VARIANT=16-bullseye
+# [Choice] Node.js version (use -bullseye variants on local arm64/Apple Silicon): 22, 20, 18, 22-bullseye, 20-bullseye, 18-bullseye
+ARG VARIANT=22-bullseye
 FROM mcr.microsoft.com/vscode/devcontainers/javascript-node:0-${VARIANT}
 
 # Install tslint, typescript. eslint is installed by javascript image
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 4978099..22a2b5c 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -4,11 +4,11 @@
 	"name": "Node.js & TypeScript",
 	"build": {
 		"dockerfile": "Dockerfile",
-		// Update 'VARIANT' to pick a Node version: 18, 16, 14.
-		// Append -bullseye or -buster to pin to an OS version.
+		// Update 'VARIANT' to pick a Node version: 22, 20, 18.
+		// Append -bullseye to pin to an OS version.
 		// Use -bullseye variants on local on arm64/Apple Silicon.
 		"args": { 
-			"VARIANT": "16-bullseye"
+			"VARIANT": "22-bullseye"
 		}
 	},
 
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index 797816c..ffee90f 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -10,6 +10,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - uses: actions/setup-node@v4
+      with:
+        node-version: '22'
     - run: |
         npm install
         npm run all
diff --git a/action.yml b/action.yml
index 5201c37..7702af3 100644
--- a/action.yml
+++ b/action.yml
@@ -17,5 +17,5 @@ inputs:
     description: 'Specify the behavior of getting the variable. first_match, overwrite and fill are valid values.'
     default: 'first_match'
 runs:
-  using: 'node16'
+  using: 'node22'
   main: 'dist/index.js'
diff --git a/package.json b/package.json
index 81feb46..6ee8a90 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "devDependencies": {
     "@types/jest": "^29.2.0",
-    "@types/node": "^18.11.3",
+    "@types/node": "^22.0.0",
     "@typescript-eslint/parser": "^5.40.1",
     "@vercel/ncc": "^0.34.0",
     "eslint": "^8.26.0",