diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 86386f25e..f0867a571 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -22,7 +22,7 @@ jobs:
         language: [ 'csharp' ]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - 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 dbd2cbc1d..b699d86a3 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@v4
+    - uses: actions/checkout@v5
 
     - 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@v4
+    - uses: actions/checkout@v5
 
     - name: Setup .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -103,7 +103,7 @@ jobs:
         runtime: [ osx-x64, osx-arm64 ]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - 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 3520dae9f..15b1c7d16 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@v4
+      - uses: actions/checkout@v5
 
       - uses: DavidAnson/markdownlint-cli2-action@992badcdf24e3b8eb7e87ff9287fe931bcb00c6e
         with:
@@ -30,7 +30,7 @@ jobs:
     name: Check for broken links
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Run link checker
         # For any troubleshooting, see:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5706c7806..1f8ca2404 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     outputs:
       version: ${{ steps.version.outputs.version }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set version
         run: echo "version=$(cat VERSION | sed -E 's/.[0-9]+$//')" >> $GITHUB_OUTPUT
@@ -32,7 +32,7 @@ jobs:
       matrix:
         runtime: [ osx-x64, osx-arm64 ]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -147,7 +147,7 @@ jobs:
     environment: release
     needs: prereqs
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -236,7 +236,7 @@ jobs:
       matrix:
         runtime: [ linux-x64, linux-arm64, linux-arm ]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -317,7 +317,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: prereqs
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Set up .NET
       uses: actions/setup-dotnet@v5.0.0
@@ -341,7 +341,7 @@ jobs:
     environment: release
     needs: dotnet-tool-build
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Download payload
       uses: actions/download-artifact@v5
@@ -384,7 +384,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [ prereqs, dotnet-tool-payload-sign ]
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Download signed payload
       uses: actions/download-artifact@v5
@@ -416,7 +416,7 @@ jobs:
     environment: release
     needs: dotnet-tool-pack
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
 
     - name: Download unsigned package
       uses: actions/download-artifact@v5
@@ -494,7 +494,7 @@ jobs:
     runs-on: ${{ matrix.component.os }}
     needs: [ create-macos-artifacts, create-windows-artifacts, create-linux-artifacts, dotnet-tool-sign ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up .NET
         uses: actions/setup-dotnet@v5.0.0
@@ -564,7 +564,7 @@ jobs:
     environment: release
     needs: [ prereqs, validate ]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Set up .NET
         uses: actions/setup-dotnet@v5.0.0
diff --git a/.github/workflows/validate-install-from-source.yml b/.github/workflows/validate-install-from-source.yml
index 2b1fd7696..ead91c3d4 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@v4
+      - uses: actions/checkout@v5
 
       - run: |
           sh "${GITHUB_WORKSPACE}/src/linux/Packaging.Linux/install-from-source.sh" -y