diff --git a/.github/workflows/bzlmod-archive.yml b/.github/workflows/bzlmod-archive.yml
index 0e41615..d46c830 100644
--- a/.github/workflows/bzlmod-archive.yml
+++ b/.github/workflows/bzlmod-archive.yml
@@ -12,7 +12,7 @@ jobs:
     permissions:
       contents: write
     steps:
-      - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
       - run: git archive -o "${{ format('{0}-{1}.tar.gz', github.event.repository.name, github.event.release.tag_name) }}" HEAD
       - run: gh release upload ${{ github.event.release.tag_name }} *.tar.gz
         env:
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
index 99da563..4b1c29b 100644
--- a/.github/workflows/macos.yml
+++ b/.github/workflows/macos.yml
@@ -17,7 +17,7 @@ jobs:
 
     name: "${{ matrix.config.os }}"
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Build Release
       run: |
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index ff930ea..ef92359 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -25,7 +25,7 @@ jobs:
 
     steps:
       - name: "Checkout code"
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # v6.0.0
         with:
           persist-credentials: false
 
@@ -55,6 +55,6 @@ jobs:
 
       # Upload the results to GitHub's code scanning dashboard.
       - name: "Upload to code-scanning"
-        uses: github/codeql-action/upload-sarif@0499de31b99561a6d14a36a5f662c2a54f91beee # v3.29.5
+        uses: github/codeql-action/upload-sarif@fdbfb4d2750291e159f0156def62b853c2798ca2 # v3.29.5
         with:
           sarif_file: results.sarif
diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index 985943f..b18dbb6 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -25,7 +25,7 @@ jobs:
     name: "${{ format('{0} NONASCII={1}', matrix.compiler.cc, matrix.compiler.nonascii) }}"
     runs-on: ${{ matrix.compiler.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Configure clang
       run: |
diff --git a/.github/workflows/ubuntu_test_installed_version.yml b/.github/workflows/ubuntu_test_installed_version.yml
index 79e4c2f..f71b366 100644
--- a/.github/workflows/ubuntu_test_installed_version.yml
+++ b/.github/workflows/ubuntu_test_installed_version.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - uses: actions/cache@v4
         with:
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 2947ed0..f72cf35 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -16,7 +16,7 @@ jobs:
 
     name: "${{ matrix.config.vs }}"
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Build Win32
       shell: bash