diff --git a/.github/workflows/checks.yml b/.github/workflows/checks.yml
index 4041a8923..49e24566a 100644
--- a/.github/workflows/checks.yml
+++ b/.github/workflows/checks.yml
@@ -38,10 +38,8 @@ jobs:
           output: report-markdown
           annotations: failed-tests
           prnumber: ${{ steps.findPr.outputs.number }}
-      - name: Run black
-        run: poetry run black .
       - name: Check imports alphabetized
-        run: poetry run isort ./app ./tests
+        run: poetry run isort --check-only ./app ./tests
       - name: Run style checks
         run: poetry run flake8 .
       - name: Check dead code