diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5a71d41af..e79ff0c5c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -67,6 +67,8 @@ jobs:
           --release
           --workspace
           ${{ steps.prepare.outputs.feature-flags }}
+        env:
+          RUST_BACKTRACE: 1
       - name: Run slow tests
         run: >
           cargo test
@@ -75,6 +77,8 @@ jobs:
           ${{ steps.prepare.outputs.feature-flags }}
           --features expensive-tests
           -- --ignored
+        env:
+          RUST_BACKTRACE: 1
       - name: Verify working directory is clean
         run: git diff --exit-code