diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index dd28fef..0ab3ace 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: true
       - name: Install nightly toolchain
@@ -48,7 +48,7 @@ jobs:
     name: Check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
@@ -73,7 +73,7 @@ jobs:
     name: cargo-deny check
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - uses: EmbarkStudios/cargo-deny-action@v2
       with:
         command: check bans advisories sources
@@ -82,7 +82,7 @@ jobs:
     name: Test Suite
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - name: Install stable toolchain
@@ -131,7 +131,7 @@ jobs:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable
@@ -143,7 +143,7 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - uses: dtolnay/rust-toolchain@stable