diff --git a/.github/workflows/crystal.yml b/.github/workflows/crystal.yml
index 586a080..604001c 100644
--- a/.github/workflows/crystal.yml
+++ b/.github/workflows/crystal.yml
@@ -21,4 +21,4 @@ jobs:
     - name: Install dependencies
       run: shards install
     - name: Run tests
-      run: crystal spec
+      run: crystal spec --error-trace