diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index ac1c7abb..11c6821b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -22,10 +22,10 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version-file: .node-version
-          cache: 'npm'
+          node-version-file: package.json
+
 
       - run: npm ci
       - run: npm run build
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b1308429..55902c38 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,10 +21,9 @@ jobs:
     steps:
       - uses: actions/checkout@v5
 
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version-file: .node-version
-          cache: 'npm'
+          node-version-file: package.json
 
       - run: npm ci
       - run: npm test
@@ -36,10 +35,9 @@ jobs:
     if: github.event.pull_request.head.repo.owner.login == github.event.pull_request.base.repo.owner.login
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version: 20
-          cache: "npm"
+          node-version-file: package.json
       - run: npm ci
       - run: npm run build
       - uses: ./ # Uses the action in the root directory
diff --git a/.github/workflows/update-permission-inputs.yml b/.github/workflows/update-permission-inputs.yml
index 804dfebe..3a93855c 100644
--- a/.github/workflows/update-permission-inputs.yml
+++ b/.github/workflows/update-permission-inputs.yml
@@ -19,10 +19,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: actions/setup-node@v4
+      - uses: actions/setup-node@v6
         with:
-          node-version-file: .node-version
-          cache: 'npm'
+          node-version-file: package.json
       - name: Install dependencies
         run: npm ci
       - name: Run permission inputs update script
diff --git a/.node-version b/.node-version
deleted file mode 100644
index f3f52b42..00000000
--- a/.node-version
+++ /dev/null
@@ -1 +0,0 @@
-20.9.0
diff --git a/package.json b/package.json
index 5a312a97..f722e18d 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,10 @@
   "type": "module",
   "version": "2.1.4",
   "description": "GitHub Action for creating a GitHub App Installation Access Token",
+  "engines": {
+    "node": ">=20"
+  },
+  "packageManager": "npm@10.9.4",
   "scripts": {
     "build": "esbuild main.js post.js --bundle --outdir=dist --out-extension:.js=.cjs --platform=node --target=node20.0.0 --packages=bundle",
     "test": "c8 --100 ava tests/index.js",