diff --git a/.github/workflows/e3sm-gh-ci-cime-tests.yml b/.github/workflows/e3sm-gh-ci-cime-tests.yml
index d973b90dc05..595bc3e8c5a 100644
--- a/.github/workflows/e3sm-gh-ci-cime-tests.yml
+++ b/.github/workflows/e3sm-gh-ci-cime-tests.yml
@@ -47,7 +47,7 @@ jobs:
     steps:
       - 
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           show-progress: false
           submodules: recursive
diff --git a/.github/workflows/e3sm-gh-ci-w-cime-tests.yml b/.github/workflows/e3sm-gh-ci-w-cime-tests.yml
index 0e30fc4e0a8..2f635a3cd09 100644
--- a/.github/workflows/e3sm-gh-ci-w-cime-tests.yml
+++ b/.github/workflows/e3sm-gh-ci-w-cime-tests.yml
@@ -34,7 +34,7 @@ jobs:
     steps:
       - 
         name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           show-progress: false
           submodules: recursive
diff --git a/.github/workflows/e3sm-gh-md-linter.yml b/.github/workflows/e3sm-gh-md-linter.yml
index ff0c61cf576..9bfcfbe0fca 100644
--- a/.github/workflows/e3sm-gh-md-linter.yml
+++ b/.github/workflows/e3sm-gh-md-linter.yml
@@ -17,7 +17,7 @@ jobs:
     if: ${{ github.repository == 'E3SM-Project/E3SM' }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
       with:
         fetch-depth: 0
     - uses: tj-actions/changed-files@v45
diff --git a/.github/workflows/e3sm-gh-pages.yml b/.github/workflows/e3sm-gh-pages.yml
index dec9bc696bf..e493087e751 100644
--- a/.github/workflows/e3sm-gh-pages.yml
+++ b/.github/workflows/e3sm-gh-pages.yml
@@ -18,7 +18,7 @@ jobs:
     if: ${{ github.repository == 'E3SM-Project/E3SM' }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
diff --git a/.github/workflows/e3sm-gh-tools-mkatmsrffile-test.yml b/.github/workflows/e3sm-gh-tools-mkatmsrffile-test.yml
index cacb951b8a8..201b643fc4d 100644
--- a/.github/workflows/e3sm-gh-tools-mkatmsrffile-test.yml
+++ b/.github/workflows/e3sm-gh-tools-mkatmsrffile-test.yml
@@ -27,7 +27,7 @@ jobs:
     steps:
       - 
         name: Repository checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           show-progress: false
           submodules: false
diff --git a/.github/workflows/eamxx-sa-coverage.yml b/.github/workflows/eamxx-sa-coverage.yml
index 46e87f8b8b0..db900bc1da6 100644
--- a/.github/workflows/eamxx-sa-coverage.yml
+++ b/.github/workflows/eamxx-sa-coverage.yml
@@ -27,7 +27,7 @@ jobs:
     name: gcc-openmp / cov
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
@@ -47,7 +47,7 @@ jobs:
     name: gcc-cuda / cov
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
diff --git a/.github/workflows/eamxx-sa-sanitizer.yml b/.github/workflows/eamxx-sa-sanitizer.yml
index 00f60f7da2e..16415fcba79 100644
--- a/.github/workflows/eamxx-sa-sanitizer.yml
+++ b/.github/workflows/eamxx-sa-sanitizer.yml
@@ -27,7 +27,7 @@ jobs:
     name: gcc-openmp / valg
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
@@ -51,7 +51,7 @@ jobs:
     name: gcc-cuda / ${{ matrix.build_type }}
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
diff --git a/.github/workflows/eamxx-sa-testing.yml b/.github/workflows/eamxx-sa-testing.yml
index e3657266cb6..92d85dd071c 100644
--- a/.github/workflows/eamxx-sa-testing.yml
+++ b/.github/workflows/eamxx-sa-testing.yml
@@ -71,7 +71,7 @@ jobs:
     name: gcc-openmp / ${{ matrix.build_type }}
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
@@ -103,7 +103,7 @@ jobs:
     name: gcc-cuda / ${{ matrix.build_type }}
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
diff --git a/.github/workflows/eamxx-scripts-tests.yml b/.github/workflows/eamxx-scripts-tests.yml
index 2cdd6f8758f..0c7679d7851 100644
--- a/.github/workflows/eamxx-scripts-tests.yml
+++ b/.github/workflows/eamxx-scripts-tests.yml
@@ -38,7 +38,7 @@ jobs:
     runs-on:  [self-hosted, gcc, ghci-snl-cpu]
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false
diff --git a/.github/workflows/eamxx-v1-testing.yml b/.github/workflows/eamxx-v1-testing.yml
index 9145961bdfe..d54343d7cb2 100644
--- a/.github/workflows/eamxx-v1-testing.yml
+++ b/.github/workflows/eamxx-v1-testing.yml
@@ -75,7 +75,7 @@ jobs:
     name: cpu-gcc / ${{ matrix.test.short_name }}
     steps:
       - name: Check out the repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           persist-credentials: false
           show-progress: false