diff --git a/.github/workflows/bump.yml b/.github/workflows/bump.yml
index 24030af..573f686 100644
--- a/.github/workflows/bump.yml
+++ b/.github/workflows/bump.yml
@@ -26,7 +26,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
       - name: Install tomato-toml
         run: cargo install tomato-toml --locked
diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 67478c7..7bbcc9a 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
       - name: Install Rust nightly
         uses: dtolnay/rust-toolchain@nightly
diff --git a/.github/workflows/stable.yml b/.github/workflows/stable.yml
index fa2bb21..bd02b2b 100644
--- a/.github/workflows/stable.yml
+++ b/.github/workflows/stable.yml
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
 
       - name: Install Rust stable
         uses: dtolnay/rust-toolchain@stable