diff --git a/.github/workflows/pytest-workflow.yml b/.github/workflows/pytest-workflow.yml
index ceec03b0..6827640d 100644
--- a/.github/workflows/pytest-workflow.yml
+++ b/.github/workflows/pytest-workflow.yml
@@ -23,7 +23,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        nxf_version: ['20.11.0-edge']
+        nxf_version: ['20.11.0-edge', '21.03.0-edge']
         tags: ['${{ fromJson(needs.changes.outputs.modules) }}']
         profile: ['docker', 'singularity', 'conda']
     env: