diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index a077ef6795..d837f8a101 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/dotnet-build-and-test.yml b/.github/workflows/dotnet-build-and-test.yml
index 8987c2f48e..1f104ffdf9 100644
--- a/.github/workflows/dotnet-build-and-test.yml
+++ b/.github/workflows/dotnet-build-and-test.yml
@@ -29,7 +29,7 @@ jobs:
     outputs:
       dotnetChanges: ${{ steps.filter.outputs.dotnet }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
       - uses: dorny/paths-filter@v2
@@ -69,7 +69,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     environment: ${{ matrix.environment }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/dotnet-ci.yml b/.github/workflows/dotnet-ci.yml
index da9665030c..77ad44a421 100644
--- a/.github/workflows/dotnet-ci.yml
+++ b/.github/workflows/dotnet-ci.yml
@@ -24,7 +24,7 @@ jobs:
 
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         clean: true
         persist-credentials: false
@@ -72,7 +72,7 @@ jobs:
     env:
       NUGET_CERT_REVOCATION_MODE: offline
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         clean: true
         persist-credentials: false
diff --git a/.github/workflows/dotnet-format.yml b/.github/workflows/dotnet-format.yml
index 9cbe4e3ab3..2b9bdf72fc 100644
--- a/.github/workflows/dotnet-format.yml
+++ b/.github/workflows/dotnet-format.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
           persist-credentials: false
diff --git a/.github/workflows/dotnet-integration-tests.yml b/.github/workflows/dotnet-integration-tests.yml
index 3993d31e5b..5588fd523b 100644
--- a/.github/workflows/dotnet-integration-tests.yml
+++ b/.github/workflows/dotnet-integration-tests.yml
@@ -22,7 +22,7 @@ jobs:
         configuration: [Debug]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         if: ${{ github.event_name != 'pull_request' }}
         with:
           clean: true
diff --git a/.github/workflows/markdown-link-check.yml b/.github/workflows/markdown-link-check.yml
index 22270a8377..1161358eea 100644
--- a/.github/workflows/markdown-link-check.yml
+++ b/.github/workflows/markdown-link-check.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     # check out the latest version of the code
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/python-build.yml b/.github/workflows/python-build.yml
index b366580b19..fe589d4f2b 100644
--- a/.github/workflows/python-build.yml
+++ b/.github/workflows/python-build.yml
@@ -17,7 +17,7 @@ jobs:
     env:
       UV_PYTHON: "3.10"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
diff --git a/.github/workflows/python-integration-tests.yml b/.github/workflows/python-integration-tests.yml
index 64550641de..abad286842 100644
--- a/.github/workflows/python-integration-tests.yml
+++ b/.github/workflows/python-integration-tests.yml
@@ -83,7 +83,7 @@ jobs:
     outputs:
       pythonChanges: ${{ steps.filter.outputs.python}}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: dorny/paths-filter@v2
         id: filter
         with:
@@ -118,7 +118,7 @@ jobs:
       UV_PYTHON: ${{ matrix.python-version }}
       COMPLETIONS_CONCEPT_SAMPLE: "true"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
@@ -173,7 +173,7 @@ jobs:
     env:
       UV_PYTHON: ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
@@ -214,7 +214,7 @@ jobs:
     env:
       UV_PYTHON: ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
@@ -263,7 +263,7 @@ jobs:
       UV_PYTHON: ${{ matrix.python-version }}
       COMPLETIONS_CONCEPT_SAMPLE: "true"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
@@ -328,7 +328,7 @@ jobs:
           - 8080:8080
           - 50051:50051
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
@@ -386,7 +386,7 @@ jobs:
           - 8080:8080
           - 50051:50051
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
diff --git a/.github/workflows/python-lint.yml b/.github/workflows/python-lint.yml
index 26a0ac81a9..bf2067104c 100644
--- a/.github/workflows/python-lint.yml
+++ b/.github/workflows/python-lint.yml
@@ -23,7 +23,7 @@ jobs:
       UV_CACHE_DIR: /tmp/.uv-cache
       UV_PYTHON: ${{ matrix.python-version }}
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
diff --git a/.github/workflows/python-test-coverage-report.yml b/.github/workflows/python-test-coverage-report.yml
index 95a651bcdd..86facf9657 100644
--- a/.github/workflows/python-test-coverage-report.yml
+++ b/.github/workflows/python-test-coverage-report.yml
@@ -19,7 +19,7 @@ jobs:
       run:
         working-directory: python
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Download coverage report
         uses: actions/download-artifact@v5
         with:
diff --git a/.github/workflows/python-test-coverage.yml b/.github/workflows/python-test-coverage.yml
index 3bde716058..b8370a1232 100644
--- a/.github/workflows/python-test-coverage.yml
+++ b/.github/workflows/python-test-coverage.yml
@@ -20,7 +20,7 @@ jobs:
     env:
       UV_PYTHON: "3.10"
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       # Save the PR number to a file since the workflow_run event
       # in the coverage report workflow does not have access to it
       - name: Save PR number
diff --git a/.github/workflows/python-unit-tests.yml b/.github/workflows/python-unit-tests.yml
index 6c2a542389..62e2d8476e 100644
--- a/.github/workflows/python-unit-tests.yml
+++ b/.github/workflows/python-unit-tests.yml
@@ -32,7 +32,7 @@ jobs:
       run:
         working-directory: python
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up uv
         uses: astral-sh/setup-uv@v6
         with:
diff --git a/.github/workflows/typos.yaml b/.github/workflows/typos.yaml
index 065c6b4cd9..fd63a9bfdf 100644
--- a/.github/workflows/typos.yaml
+++ b/.github/workflows/typos.yaml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           persist-credentials: false