diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4be958f..3ac0776 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -77,10 +77,26 @@ jobs:
       - name: Gas / footprint report (vault-registry)
         run: cargo test --locked --package vault-registry gas -- --nocapture
 
+  test-workspace:
+    name: Test workspace
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v7
+
+      - name: Install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: wasm32v1-none
+
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Test workspace
+        run: cargo test --locked --workspace
+
   build:
     name: Build WASM
     runs-on: ubuntu-latest
-    needs: [lint, test]
+    needs: [lint, test, test-workspace]
     steps:
       - uses: actions/checkout@v7