diff --git a/.github/workflows/pull-request.yaml b/.github/workflows/pull-request.yaml
index bd3b220a..e949b322 100644
--- a/.github/workflows/pull-request.yaml
+++ b/.github/workflows/pull-request.yaml
@@ -63,6 +63,9 @@ jobs:
       - name: Install Guppy with llvm-based execution
         run: uv sync --extra execution
 
+      - name: Cargo build validator
+        run: cargo build -p validator --release 
+
       - name: Run tests
         run: uv run pytest