diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c847f81..2942ed9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@ jobs:
       WYAM_DEPLOY_REMOTE: ${{ github.event.repository.html_url }}
     steps:
       - name: Checkout the repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Fetch all tags and branches
         run: git fetch --prune --unshallow
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index cfd1265..80ab193 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -30,7 +30,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2.3.4
+      uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
diff --git a/.github/workflows/publishDocs.yml b/.github/workflows/publishDocs.yml
index 1918a0c..6bdb785 100644
--- a/.github/workflows/publishDocs.yml
+++ b/.github/workflows/publishDocs.yml
@@ -15,7 +15,7 @@ jobs:
 
     steps:
     - name: checkout
-      uses: actions/checkout@v2.3.4 #https://github.com/actions/checkout
+      uses: actions/checkout@v4 #https://github.com/actions/checkout
       with:
         fetch-depth: 0 # GitVersion is somewhat irritated when fetch-depth is "1"....
         ref: ${{ github.event.ref }}
diff --git a/.github/workflows/release-notes.yml b/.github/workflows/release-notes.yml
index 5751b6a..9460691 100644
--- a/.github/workflows/release-notes.yml
+++ b/.github/workflows/release-notes.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout the requested branch
-        uses: actions/checkout@v2.3.4
+        uses: actions/checkout@v4
       - name: Fetch all tags and branches
         run: git fetch --prune --unshallow
       - name: Cache Tools