diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 0485960..e20845b 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v4
     - name: install mamba
       uses: mamba-org/setup-micromamba@v1
       with:
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5b1a85c..e3cd5b8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -27,7 +27,7 @@ jobs:
             conda-build-version: '*'
             python-version: '*'
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: install mamba
       uses: mamba-org/setup-micromamba@v1
       with: