diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 000bb2c..a5ba7a9 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Build
       run: cargo build --verbose
     - name: Run tests
diff --git a/.github/workflows/scala-ci.yml b/.github/workflows/scala-ci.yml
index 74e9756..65ecdab 100644
--- a/.github/workflows/scala-ci.yml
+++ b/.github/workflows/scala-ci.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
 
     - name: Coursier cache
       uses: coursier/cache-action@v6.4