diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index f0efd5b..97cc8a0 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: |
         npm ci
         npm run all
@@ -17,7 +17,7 @@ jobs:
   self-test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ./
       id: filter
       with:
diff --git a/.github/workflows/pull-request-verification.yml b/.github/workflows/pull-request-verification.yml
index 685d7d6..6054e32 100644
--- a/.github/workflows/pull-request-verification.yml
+++ b/.github/workflows/pull-request-verification.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: |
         npm install
         npm run all
@@ -18,7 +18,7 @@ jobs:
   test-inline:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ./
       id: filter
       with:
@@ -37,7 +37,7 @@ jobs:
   test-external:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ./
       id: filter
       with:
@@ -49,7 +49,7 @@ jobs:
   test-without-token:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ./
       id: filter
       with:
@@ -62,7 +62,7 @@ jobs:
   test-wd-without-token:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         path: somewhere
     - uses: ./somewhere
@@ -78,7 +78,7 @@ jobs:
   test-local-changes:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: echo "NEW FILE" > local
     - run: git add local
     - uses: ./
@@ -98,7 +98,7 @@ jobs:
   test-change-type:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: configure GIT user
       run: git config user.email "john@nowhere.local" && git config user.name "John Doe"
     - name: modify working tree
@@ -139,7 +139,7 @@ jobs:
   test-baseref-changes:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - uses: ./
       id: filter
       with:
@@ -160,7 +160,7 @@ jobs:
   test-custom-nostatus:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - run: |
@@ -189,7 +189,7 @@ jobs:
   test-custom-withstatus:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
     - run: |
@@ -221,7 +221,7 @@ jobs:
   test-ignore-changes:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: |
         echo "NEW FILE" > local.ts
         echo "IGNORE FILE" > local.md
@@ -251,7 +251,7 @@ jobs:
   test-global-ignore:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - run: |
         echo "NEW FILE" > local.ts
         echo "IGNORE FILE" > local.md
@@ -282,4 +282,4 @@ jobs:
       run: exit 1
     - name: ignore_testnull
       if: steps.filter.outputs.error == true
-      run: exit 1
\ No newline at end of file
+      run: exit 1
diff --git a/.nvmrc b/.nvmrc
new file mode 100644
index 0000000..209e3ef
--- /dev/null
+++ b/.nvmrc
@@ -0,0 +1 @@
+20
diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9197e4..d5f5239 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # Changelog
 
+## v4.0.0
+- Uses node20 & checkouts v4 
+
 ## v3.0.0
 - [Adds customfiles, paths-ignore, globalignore, and validate input. Update packages, minify build.](https://github.com/dorny/paths-filter/pull/##)
 
diff --git a/action.yml b/action.yml
index 3bce204..9d07da3 100644
--- a/action.yml
+++ b/action.yml
@@ -59,7 +59,7 @@ outputs:
   changes:
     description: JSON array with names of all filters matching any of changed files
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
 branding:
   color: blue