diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6c59ba97..374b5f60 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - uses: "actions/checkout@v4"
+      - uses: "actions/checkout@v6"
       - uses: "actions/setup-python@v5"
         with:
           python-version: ${{ matrix.python-version }}
@@ -50,7 +50,7 @@ jobs:
     env:
       TOXENV: ${{ matrix.toxenv }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v5
         with:
           python-version: 3.13
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 3a39aa02..b9b3dce4 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -38,7 +38,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL