diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 04c202ff..8249dcf0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,9 @@ jobs:
   test:
     name: test (${{ matrix.os }})
     runs-on: ${{ matrix.os }}
+    env:
+      CARGO_PROFILE_DEV_DEBUG: line-tables-only
+      CARGO_PROFILE_TEST_DEBUG: line-tables-only
     strategy:
       fail-fast: false
       matrix: