diff --git a/.github/workflows/coverity.yml b/.github/workflows/coverity.yml
index 427268a10..8ef0211cb 100644
--- a/.github/workflows/coverity.yml
+++ b/.github/workflows/coverity.yml
@@ -36,7 +36,7 @@ jobs:
     if: github.repository == 'uxlfoundation/oneMath'
     runs-on: [ubuntu-latest]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Download Coverity Build Tool (linux64)
         run: |
diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index 000d737aa..d67caebae 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -16,7 +16,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - uses: actions/setup-python@82c7e631bb3cdc910f68e0081d67478d79c6982d # v5.1.0
       with:
         python-version: '3.11'
@@ -39,7 +39,7 @@ jobs:
     permissions:
       contents: write
     steps:
-    - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4.1.5
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         ref: gh-pages
         path: gh-pages
diff --git a/.github/workflows/pr-arm.yml b/.github/workflows/pr-arm.yml
index a39fee6cd..29523df4c 100644
--- a/.github/workflows/pr-arm.yml
+++ b/.github/workflows/pr-arm.yml
@@ -34,7 +34,7 @@ jobs:
           domain: dft
     name: unit tests ${{ matrix.config }} CPU
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Check if the changes affect this domain
       id: domain_check
       uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
diff --git a/.github/workflows/pr-lint.yml b/.github/workflows/pr-lint.yml
index 599a5bc28..5f7ae9da3 100644
--- a/.github/workflows/pr-lint.yml
+++ b/.github/workflows/pr-lint.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     name: clang-format check
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
       with:
         python-version: '3.10'
diff --git a/.github/workflows/pr-x86.yml b/.github/workflows/pr-x86.yml
index 9df18fb5e..dd34cd12d 100644
--- a/.github/workflows/pr-x86.yml
+++ b/.github/workflows/pr-x86.yml
@@ -40,7 +40,7 @@ jobs:
           domain: rng
     name: unit tests ${{ matrix.config }} CPU
     steps:
-    - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Check if the changes affect this domain
       id: domain_check
       uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1