diff --git a/.github/workflows/build-top-models.yml b/.github/workflows/build-top-models.yml
index da50e6b..3057673 100644
--- a/.github/workflows/build-top-models.yml
+++ b/.github/workflows/build-top-models.yml
@@ -42,7 +42,7 @@ jobs:
       models: ${{ steps.select-models.outputs.models }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -78,7 +78,7 @@ jobs:
       PACKAGE_DIR: modctl-build-package
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: recursive
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e4a1d4f..f3daeb8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8    # v6.0.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5    # v4.3.1
         with:
           submodules: recursive
 
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 593cb02..7d476cb 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8    # v6.0.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5    # v4.3.1
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@5d4e8d1aca955e8d8589aabd499c5cae939e33c7    # v4.31.9
diff --git a/.github/workflows/e2e.yml b/.github/workflows/e2e.yml
index 95e2a16..73940fd 100644
--- a/.github/workflows/e2e.yml
+++ b/.github/workflows/e2e.yml
@@ -33,7 +33,7 @@ jobs:
       PACKAGE_DIR: modctl-test-package
     steps:
       - name: Checkout code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8    # v6.0.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5    # v4.3.1
         with:
           submodules: recursive
 
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 764639e..02c7951 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout code
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8    # v6.0.1
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5    # v4.3.1
         with:
           fetch-depth: '0'
 
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index 2f98670..28ec056 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -27,7 +27,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8    # v6.0.1
+      uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5    # v4.3.1
       with:
         fetch-depth: 0