diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index fdcc5e8..a231159 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -118,7 +118,7 @@ jobs:
   test-with-python:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: wimpysworld/nothing-but-nix@main
       with:
         hatchet-protocol: 'carve'
@@ -174,7 +174,7 @@ jobs:
   test-with-julia:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     - uses: wimpysworld/nothing-but-nix@main
       with:
         hatchet-protocol: 'carve'