diff --git a/.github/workflows/01_build.yaml b/.github/workflows/01_build.yaml
index 608ca0a..a01418c 100644
--- a/.github/workflows/01_build.yaml
+++ b/.github/workflows/01_build.yaml
@@ -20,7 +20,7 @@ jobs:
     steps:
       - name: Tune GitHub-hosted runner network
         uses: smorimoto/tune-github-hosted-runner-network@v1
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup dotnet
         uses: actions/setup-dotnet@v4
         with:
@@ -36,7 +36,7 @@ jobs:
     steps:
       - name: Tune GitHub-hosted runner network
         uses: smorimoto/tune-github-hosted-runner-network@v1
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Setup dotnet
         uses: actions/setup-dotnet@v4
         with:
@@ -56,7 +56,7 @@ jobs:
       - name: Tune GitHub-hosted runner network
         uses: smorimoto/tune-github-hosted-runner-network@v1
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Get project version from `main`
         id: proj_version_main
diff --git a/.github/workflows/02_publish_docs.yaml b/.github/workflows/02_publish_docs.yaml
index 711c143..64f6938 100644
--- a/.github/workflows/02_publish_docs.yaml
+++ b/.github/workflows/02_publish_docs.yaml
@@ -34,7 +34,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Dotnet Setup
         uses: actions/setup-dotnet@v4
diff --git a/.github/workflows/03a_publish_nuget_pkg.yaml b/.github/workflows/03a_publish_nuget_pkg.yaml
index bcc63b5..3165b59 100644
--- a/.github/workflows/03a_publish_nuget_pkg.yaml
+++ b/.github/workflows/03a_publish_nuget_pkg.yaml
@@ -19,7 +19,7 @@ jobs:
   build-and-publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Get all history for automatic versioning
 
diff --git a/.github/workflows/03b_publish_gh_release.yaml b/.github/workflows/03b_publish_gh_release.yaml
index b91e52e..7a30b63 100644
--- a/.github/workflows/03b_publish_gh_release.yaml
+++ b/.github/workflows/03b_publish_gh_release.yaml
@@ -19,7 +19,7 @@ jobs:
   github-release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Get all history for automatic versioning