diff --git a/.github/workflows/test-ubuntu.yml b/.github/workflows/test-ubuntu.yml
index 511fb0bd2..2f158cc4c 100644
--- a/.github/workflows/test-ubuntu.yml
+++ b/.github/workflows/test-ubuntu.yml
@@ -14,7 +14,7 @@ jobs:
       run:
         shell: bash -l {0}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python from Miniconda/mamba
       uses: conda-incubator/setup-miniconda@v2
       with:
diff --git a/.github/workflows/test-windows.yml b/.github/workflows/test-windows.yml
index 50ddd1741..9a09cf90e 100644
--- a/.github/workflows/test-windows.yml
+++ b/.github/workflows/test-windows.yml
@@ -11,7 +11,7 @@ jobs:
       matrix:
         python-version: ['3.8.10', '3.9', '3.10', '3.11']
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python from Miniconda,mamba
       uses: conda-incubator/setup-miniconda@v2
       with: