diff --git a/.github/workflows/build_and_unit_test.yml b/.github/workflows/build_and_unit_test.yml
index fa72e12f..973879c9 100644
--- a/.github/workflows/build_and_unit_test.yml
+++ b/.github/workflows/build_and_unit_test.yml
@@ -28,6 +28,8 @@ jobs:
     if: '!github.event.pull_request.draft'
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Update rustup and install rustc and cargo
         shell: bash
diff --git a/.github/workflows/format_and_lint.yml b/.github/workflows/format_and_lint.yml
index e2218526..5edbd932 100644
--- a/.github/workflows/format_and_lint.yml
+++ b/.github/workflows/format_and_lint.yml
@@ -24,6 +24,8 @@ jobs:
     if: '!github.event.pull_request.draft'
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Update rustup and install rustfmt
         shell: bash
@@ -43,6 +45,8 @@ jobs:
     if: '!github.event.pull_request.draft'
     steps:
       - uses: actions/checkout@v4
+        with:
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Update rustup and install clippy
         shell: bash