diff --git a/.github/workflows/official-build.yml b/.github/workflows/official-build.yml
index 6bb0695..2f4c70c 100644
--- a/.github/workflows/official-build.yml
+++ b/.github/workflows/official-build.yml
@@ -27,7 +27,7 @@ jobs:
     - name: Set up Node.js
       uses: actions/setup-node@v6
       with:
-        node-version: '14'
+        node-version: '20'
 
     - name: Configure npm to use GitHub Packages
       run: echo "//npm.pkg.github.com/:_authToken=${{ secrets.NPM_TOKEN }}" > ~/.npmrc
diff --git a/action.yml b/action.yml
index 88e603b..05857b9 100644
--- a/action.yml
+++ b/action.yml
@@ -29,7 +29,7 @@ outputs:
   sarifFile:
     description: A file path to a SARIF results file.
 runs:
-  using: 'node20'
+  using: 'node24'
   main: 'lib/main.js'
   pre: 'lib/pre.js'
   post: 'lib/post.js'
diff --git a/package-lock.json b/package-lock.json
index eb69c35..e1aca51 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -15,7 +15,7 @@
             },
             "devDependencies": {
                 "@types/mocha": "^2.2.44",
-                "@types/node": "^20.3.1",
+                "@types/node": "^24.0.0",
                 "@types/q": "^1.0.6",
                 "@types/sinon": "^4.1.2",
                 "del": "^7.0.0",
@@ -240,9 +240,14 @@
             "license": "MIT"
         },
         "node_modules/@types/node": {
-            "version": "20.8.0",
+            "version": "24.12.0",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.0.tgz",
+            "integrity": "sha512-GYDxsZi3ChgmckRT9HPU0WEhKLP08ev/Yfcq2AstjrDASOYCSXeyjDsHg4v5t4jOj7cyDX3vmprafKlWIG9MXQ==",
             "dev": true,
-            "license": "MIT"
+            "license": "MIT",
+            "dependencies": {
+                "undici-types": "~7.16.0"
+            }
         },
         "node_modules/@types/q": {
             "version": "1.5.6",
@@ -3888,6 +3893,13 @@
                 "node": ">= 0.10"
             }
         },
+        "node_modules/undici-types": {
+            "version": "7.16.0",
+            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+            "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+            "dev": true,
+            "license": "MIT"
+        },
         "node_modules/unique-stream": {
             "version": "2.3.1",
             "dev": true,
@@ -4375,8 +4387,13 @@
             "dev": true
         },
         "@types/node": {
-            "version": "20.8.0",
-            "dev": true
+            "version": "24.12.0",
+            "resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.0.tgz",
+            "integrity": "sha512-GYDxsZi3ChgmckRT9HPU0WEhKLP08ev/Yfcq2AstjrDASOYCSXeyjDsHg4v5t4jOj7cyDX3vmprafKlWIG9MXQ==",
+            "dev": true,
+            "requires": {
+                "undici-types": "~7.16.0"
+            }
         },
         "@types/q": {
             "version": "1.5.6",
@@ -6835,6 +6852,12 @@
             "version": "1.0.1",
             "dev": true
         },
+        "undici-types": {
+            "version": "7.16.0",
+            "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+            "integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+            "dev": true
+        },
         "unique-stream": {
             "version": "2.3.1",
             "dev": true,
diff --git a/package.json b/package.json
index 7f43ea2..41e4a88 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     },
     "devDependencies": {
         "@types/mocha": "^2.2.44",
-        "@types/node": "^20.3.1",
+        "@types/node": "^24.0.0",
         "@types/q": "^1.0.6",
         "@types/sinon": "^4.1.2",
         "del": "^7.0.0",