diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index ef82cbf..14c3be7 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -17,7 +17,7 @@ jobs:
           - os: windows-latest
           - os: macos-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v4
     - name: Checkout submodules
       run: git submodule update --init --recursive
     - name: Create Build Environment