diff --git a/.gitea/workflows/reusable-engine-launcher.yml b/.gitea/workflows/reusable-engine-launcher.yml
index a727181..42d571d 100644
--- a/.gitea/workflows/reusable-engine-launcher.yml
+++ b/.gitea/workflows/reusable-engine-launcher.yml
@@ -19,12 +19,20 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ubuntu-latest, windows-latest]
+        # Windows entry deferred — Davoryn runner pool currently Linux-only.
+        # Re-add 'windows-latest' once a Windows runner is provisioned.
+        os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
+      - name: Install build tools (Linux)
+        if: runner.os == 'Linux'
+        run: |
+          apt-get update -qq
+          apt-get install -y cmake build-essential ninja-build zip unzip git curl
+
       - name: Configure CMake
         run: cmake -B build -DCMAKE_BUILD_TYPE=${{ inputs.build_type }}