diff --git a/.github/workflows/cff-validator.yml b/.github/workflows/cff-validator.yml
index d5265ee0..87c44e91 100644
--- a/.github/workflows/cff-validator.yml
+++ b/.github/workflows/cff-validator.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     steps:
       - name: "Checkout repository"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
       - name: "Set up Python ${{ matrix.python-version }}"
         uses: "actions/setup-python@v5"
         with:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index b73fbb28..c797dc76 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -27,7 +27,7 @@ jobs:
       security-events: "write"
     steps:
       - name: "Checkout repository"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
       - name: "Set up Python ${{ matrix.python-version }}"
         uses: "actions/setup-python@v5"
         with:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 07f7dea3..9356d741 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -37,7 +37,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     steps:
       - name: "Checkout repository"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
       - name: "Set up Python ${{ matrix.python-version }}"
         uses: "actions/setup-python@v5"
         with:
@@ -176,7 +176,7 @@ jobs:
     runs-on: "${{ matrix.os }}"
     steps:
       - name: "Checkout repository"
-        uses: "actions/checkout@v4"
+        uses: "actions/checkout@v5"
       - name: "Set up Python ${{ matrix.python-version }}"
         uses: "actions/setup-python@v5"
         with: