diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 0a959b7c..e6879a4a 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -12,7 +12,7 @@ on:
   workflow_dispatch:
 
 concurrency:
-  group: ${{ github.ref }}
+  group: ${{ github.workflow }}-${{ github.ref }}
 
 env:
   UNITY_PROJECT_PATH: ''
@@ -48,7 +48,7 @@ jobs:
         # sets -> env.UNITY_EDITOR_PATH
         # sets -> env.UNITY_PROJECT_PATH
         # https://github.com/XRTK/unity-setup
-      - uses: xrtk/unity-setup@v7.2
+      - uses: xrtk/unity-setup@v7
         with:
           version-file-path: 'test-project/**/ProjectSettings/ProjectVersion.txt'
           build-targets: ${{ matrix.build-target }}
@@ -63,7 +63,7 @@ jobs:
           password: ${{ secrets.UNITY_PASSWORD }}
           # Optional
           license-type: 'Personal' # Chooses license type to use [ Personal, Professional ]
-          serial: ${{ secrets.UNITY_SERIAL }} # Required for pro/plus activations
+          # serial: ${{ secrets.UNITY_SERIAL }} # Required for pro/plus activations
           auth-key: ${{ secrets.UNITY_2FA_KEY }} # required for personal activations
 
       - name: Unity Build (${{ matrix.build-target }})
diff --git a/README.md b/README.md
index 8c19ed32..e70c1c03 100644
--- a/README.md
+++ b/README.md
@@ -59,12 +59,12 @@ jobs:
         # sets -> env.UNITY_EDITOR_PATH
         # sets -> env.UNITY_PROJECT_PATH
         # https://github.com/XRTK/unity-setup
-      - uses: xrtk/unity-setup@v7.2
+      - uses: xrtk/unity-setup@v7
         with:
           build-targets: ${{ matrix.build-target }}
 
         # Activates the installation with the provided credentials
-      - uses: xrtk/activate-unity-license@v5
+      - uses: xrtk/activate-unity-license@v5.1
         with:
           # Required
           username: ${{ secrets.UNITY_USERNAME }}
@@ -72,7 +72,7 @@ jobs:
           # Optional
           license-type: 'Professional' # Chooses license type to use [ Personal, Professional ]
           serial: ${{ secrets.UNITY_SERIAL }} # Required for pro/plus activations
-          # auth-key: ${{ secrets.UNITY_2FA_KEY }} # required for personal activations
+          auth-key: ${{ secrets.UNITY_2FA_KEY }} # required for personal activations
 ```
 
 ### 2FA Auth Key Setup Steps
diff --git a/action.yml b/action.yml
index 13eeefc1..50c21592 100644
--- a/action.yml
+++ b/action.yml
@@ -26,6 +26,6 @@ inputs:
     default: ''
 
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
   post: 'dist/index.js'
diff --git a/package-lock.json b/package-lock.json
index 3163e2ce..258fd1ac 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "activate-unity-license",
-  "version": "5.0.0",
+  "version": "5.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "activate-unity-license",
-      "version": "5.0.0",
+      "version": "5.1.0",
       "license": "MIT",
       "dependencies": {
         "@actions/core": "^1.10.0",
@@ -287,9 +287,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "20.11.5",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.5.tgz",
-      "integrity": "sha512-g557vgQjUUfN76MZAN/dt1z3dzcUsimuysco0KeluHgrPdJXkP/XdAURgyO2W9fZWHRtRBiVKzKn8vyOAwlG+w==",
+      "version": "20.11.8",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.11.8.tgz",
+      "integrity": "sha512-i7omyekpPTNdv4Jb/Rgqg0RU8YqLcNsI12quKSDkRXNfx7Wxdm6HhK1awT3xTgEkgxPn3bvnSpiEAc7a7Lpyow==",
       "optional": true,
       "dependencies": {
         "undici-types": "~5.26.4"
@@ -924,7 +924,7 @@
       "version": "19.11.1",
       "resolved": "https://registry.npmjs.org/puppeteer/-/puppeteer-19.11.1.tgz",
       "integrity": "sha512-39olGaX2djYUdhaQQHDZ0T0GwEp+5f9UB9HmEP0qHfdQHIq0xGQZuAZ5TLnJIc/88SrPLpEflPC+xUqOTv3c5g==",
-      "deprecated": "< 21.3.7 is no longer supported",
+      "deprecated": "< 21.5.0 is no longer supported",
       "hasInstallScript": true,
       "dependencies": {
         "@puppeteer/browsers": "0.5.0",
diff --git a/package.json b/package.json
index 566f5772..3b3d496e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "activate-unity-license",
-  "version": "5.0.0",
+  "version": "5.1.0",
   "description": "An atomic GitHub Action that activates the Unity Engine license via cli with the provided secret parameters.",
   "main": "src/index.js",
   "dependencies": {