diff --git a/.github/workflows/ci_against_releases.yml b/.github/workflows/ci_against_releases.yml
index 5378fb4..13f4b75 100644
--- a/.github/workflows/ci_against_releases.yml
+++ b/.github/workflows/ci_against_releases.yml
@@ -30,6 +30,9 @@ jobs:
   test_dolfinx_v0_8_0:
     uses: RBniCS/RBniCSx/.github/workflows/ci.yml@dolfinx-v0.8.0
 
+  test_dolfinx_v0_9_0:
+    uses: RBniCS/RBniCSx/.github/workflows/ci.yml@dolfinx-v0.9.0
+
   warn:
     runs-on: ubuntu-latest
     if: github.repository == 'RBniCS/RBniCSx' && github.ref == 'refs/heads/main' && github.event_name == 'schedule'