diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a291a1c..dc6f64d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     
     - name: Set up Rust
       uses: dtolnay/rust-toolchain@stable
@@ -74,7 +74,7 @@ jobs:
     needs: [ruby-test, rust-test]
     
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
     
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1