diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 7ec8fbe4f..e68b89285 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -22,7 +22,7 @@ jobs:
         language: [ 'csharp' ]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5.0.0
diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index d3f304490..1437bcd2d 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: windows-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -59,7 +59,7 @@ jobs:
         runtime: [ linux-x64, linux-arm64, linux-arm ]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -103,7 +103,7 @@ jobs:
         runtime: [ osx-x64, osx-arm64 ]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5.0.0
diff --git a/.github/workflows/lint-docs.yml b/.github/workflows/lint-docs.yml
index 088076826..6d1e06b89 100644
--- a/.github/workflows/lint-docs.yml
+++ b/.github/workflows/lint-docs.yml
@@ -18,7 +18,7 @@ jobs:
     name: Lint markdown files
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: DavidAnson/markdownlint-cli2-action@30a0e04f1870d58f8d717450cc6134995f993c63
         with:
@@ -30,7 +30,7 @@ jobs:
     name: Check for broken links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Run link checker
         # For any troubleshooting, see:
diff --git a/.github/workflows/validate-install-from-source.yml b/.github/workflows/validate-install-from-source.yml
index 542a07c7c..d1aea471a 100644
--- a/.github/workflows/validate-install-from-source.yml
+++ b/.github/workflows/validate-install-from-source.yml
@@ -41,7 +41,7 @@ jobs:
             GNUPGHOME=/root/.gnupg tdnf install tar -y # needed for `actions/checkout`
           fi
 
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - run: |
           sh "${GITHUB_WORKSPACE}/src/linux/Packaging.Linux/install-from-source.sh" -y