diff --git a/.github/workflows/performance.yml b/.github/workflows/performance.yml
index 6f093d4..8b0cd1f 100644
--- a/.github/workflows/performance.yml
+++ b/.github/workflows/performance.yml
@@ -18,7 +18,7 @@ jobs:
     env:
       OS: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/pythontests.yml b/.github/workflows/pythontests.yml
index f4d18be..6b367c5 100644
--- a/.github/workflows/pythontests.yml
+++ b/.github/workflows/pythontests.yml
@@ -25,7 +25,7 @@ jobs:
     env:
       OS: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6
       with:
diff --git a/.github/workflows/release-deploy.yml b/.github/workflows/release-deploy.yml
index 42f8414..ff55dc8 100644
--- a/.github/workflows/release-deploy.yml
+++ b/.github/workflows/release-deploy.yml
@@ -17,7 +17,7 @@ jobs:
         python-version: [ '3.10' ]
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v6