diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ceec995..685bb62 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,11 +19,11 @@ jobs:
     steps:
       # Checks-out PeekabooAV-Installer under $GITHUB_WORKSPACE
       - name: Check out PeekabooAV-Installer
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # put PeekabooAV below that as expected by the installer
       - name: Check out PeekabooAV
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: scVENUS/PeekabooAV
           path: PeekabooAV
diff --git a/.github/workflows/container-ci.yml b/.github/workflows/container-ci.yml
index 8c9561e..8c8c17a 100644
--- a/.github/workflows/container-ci.yml
+++ b/.github/workflows/container-ci.yml
@@ -13,11 +13,11 @@ jobs:
     steps:
       # Checks-out PeekabooAV-Installer under $GITHUB_WORKSPACE
       - name: Checkout PeekabooAV-Installer
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # put PeekabooAV below that as expected by the installer
       - name: Checkout PeekabooAV
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           repository: scVENUS/PeekabooAV
           path: PeekabooAV
diff --git a/.github/workflows/publish-container-images-scheduled.yml b/.github/workflows/publish-container-images-scheduled.yml
index 930a5fb..b775b81 100644
--- a/.github/workflows/publish-container-images-scheduled.yml
+++ b/.github/workflows/publish-container-images-scheduled.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           # get all history, branches and tags so we can build a list of refs
           # to build from
@@ -119,7 +119,7 @@ jobs:
     steps:
       # required for access to the local publish action
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # we cannot use a reuseable workflow here because it's not supported in
       # conjunction with matrix strategy. But a custom action can do exactly
diff --git a/.github/workflows/publish-container-images.yml b/.github/workflows/publish-container-images.yml
index 3025ec2..3046649 100644
--- a/.github/workflows/publish-container-images.yml
+++ b/.github/workflows/publish-container-images.yml
@@ -31,7 +31,7 @@ jobs:
     steps:
       # required for access to the local publish action
       - name: Check out the repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - uses: ./.github/actions/container-image-publish
         with:
diff --git a/.github/workflows/publish-helm-charts.yml b/.github/workflows/publish-helm-charts.yml
index db73b52..45261d9 100644
--- a/.github/workflows/publish-helm-charts.yml
+++ b/.github/workflows/publish-helm-charts.yml
@@ -15,7 +15,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
@@ -48,7 +48,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0