diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c09550f..d9583cc 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ on:
 jobs:
   test:
     runs-on: ubuntu-latest
-    # container: dolfinx/dolfinx:v0.7.2
+    container: dolfinx/dolfinx:v0.7.2
     strategy:
       fail-fast: false
     steps: