diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3e3089e0..5250a208 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     env:
       DISPLAY: ":99.0"
+      NUMBA_JIT_COVERAGE: 1
     strategy:
       fail-fast: false
       matrix: