diff --git a/.github/workflows/CD-publish_to_pypi.yml b/.github/workflows/CD-publish_to_pypi.yml
index 3ff50f60..71e56e08 100644
--- a/.github/workflows/CD-publish_to_pypi.yml
+++ b/.github/workflows/CD-publish_to_pypi.yml
@@ -48,7 +48,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6
diff --git a/.github/workflows/CD-test_publish_to_pypi.yml b/.github/workflows/CD-test_publish_to_pypi.yml
index 390fea0b..244644b7 100644
--- a/.github/workflows/CD-test_publish_to_pypi.yml
+++ b/.github/workflows/CD-test_publish_to_pypi.yml
@@ -17,7 +17,7 @@ jobs:
       id-token: write  # Required for OIDC
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Install uv
         uses: astral-sh/setup-uv@v6
         with:
diff --git a/.github/workflows/CI-codeql.yml b/.github/workflows/CI-codeql.yml
index 1ce26cfd..f15a6e97 100644
--- a/.github/workflows/CI-codeql.yml
+++ b/.github/workflows/CI-codeql.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
diff --git a/.github/workflows/CI-e2e.yml b/.github/workflows/CI-e2e.yml
index 9c1ec013..1027d195 100644
--- a/.github/workflows/CI-e2e.yml
+++ b/.github/workflows/CI-e2e.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           fetch-depth: 2
 
@@ -70,7 +70,7 @@ jobs:
     needs: [e2e-build]
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Run Tests
         id: run-tests
diff --git a/.github/workflows/CI-pytests.yml b/.github/workflows/CI-pytests.yml
index 5be856a9..0d746b6e 100644
--- a/.github/workflows/CI-pytests.yml
+++ b/.github/workflows/CI-pytests.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6
diff --git a/.github/workflows/vhs.yml b/.github/workflows/vhs.yml
index ae34d94b..a39d99e9 100644
--- a/.github/workflows/vhs.yml
+++ b/.github/workflows/vhs.yml
@@ -10,7 +10,7 @@ jobs:
   vhs:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6