diff --git a/.github/workflows/build-dev.yaml b/.github/workflows/build-dev.yaml
index 864ed76b5f..c3d07430f6 100644
--- a/.github/workflows/build-dev.yaml
+++ b/.github/workflows/build-dev.yaml
@@ -13,6 +13,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
       - uses: actions/cache@v3
         with:
diff --git a/.github/workflows/e2e.yaml b/.github/workflows/e2e.yaml
index 24b044f45f..ad8ebc7df9 100644
--- a/.github/workflows/e2e.yaml
+++ b/.github/workflows/e2e.yaml
@@ -16,6 +16,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
       # Install nix using cachix/install-nix-action if running on ARC runners
       # See: https://github.com/DeterminateSystems/nix-installer-action/issues/68
diff --git a/.github/workflows/synopsys.yaml b/.github/workflows/synopsys.yaml
index 6e0d425bcc..f007ad8662 100644
--- a/.github/workflows/synopsys.yaml
+++ b/.github/workflows/synopsys.yaml
@@ -13,6 +13,8 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          ref: "${{ github.event.pull_request.merge_commit_sha }}"
 
       - name: Install devbox
         run: curl -fsSL https://get.jetpack.io/devbox | bash -s -- -f