diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4bb8a9e..b82a955 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     timeout-minutes: 3
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # https://github.com/actions/checkout/releases/tag/v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # https://github.com/actions/checkout/releases/tag/v4.0.0
       - name: Install copywrite
         uses: hashicorp/setup-copywrite@v1.1.2
       - name: Validate Header Compliance
@@ -37,7 +37,7 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744 # https://github.com/actions/checkout/releases/tag/v3.6.0
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # https://github.com/actions/checkout/releases/tag/v4.0.0
       -
         name: Unshallow
         run: git fetch --prune --unshallow