diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3c4289ab0..ab047be98 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,7 +36,7 @@ jobs:
         run: sysctl -w vm.mmap_rnd_bits=28
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with: { 'fetch-depth': 0 }
 
       - name: Install unzip (for tests) and zstd (for faster caching)
@@ -167,7 +167,7 @@ jobs:
         run: sysctl -w vm.mmap_rnd_bits=28
 
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with: { 'fetch-depth': 0 }
 
       - name: Install zstd (for faster caching)
@@ -219,7 +219,7 @@ jobs:
   #         --health-timeout 5s
   #         --health-retries 5
   #   steps:
-  #     - uses: actions/checkout@v5
+  #     - uses: actions/checkout@v6
   #     - name: Select Xcode 11.4
   #       run: sudo xcode-select -s /Applications/Xcode_11.4.app
   #     - name: Log Xcode version
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9dbe0a7da..93858bf66 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -28,7 +28,7 @@ jobs:
         runs-on: ubuntu-latest
         steps:
             - name: Checkout code
-              uses: actions/checkout@v5
+              uses: actions/checkout@v6
             - name: Lint Front-End
               run: make lint-front-end
             - name: Build Front-End
diff --git a/.github/workflows/query-performance.yml b/.github/workflows/query-performance.yml
index 65a50ab2a..b2ca3cba7 100644
--- a/.github/workflows/query-performance.yml
+++ b/.github/workflows/query-performance.yml
@@ -31,7 +31,7 @@ jobs:
       image: registry.gitlab.com/finestructure/spi-base:2.1.0
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with: { 'fetch-depth': 0 }
 
       - name: Install unzip (for tests) and zstd (for faster caching)
diff --git a/.github/workflows/snapshots.yml b/.github/workflows/snapshots.yml
index edc55d15e..2d2f2ce98 100644
--- a/.github/workflows/snapshots.yml
+++ b/.github/workflows/snapshots.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
       - name: Build Front-End