diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5e2cb60..6b5884c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -30,8 +30,18 @@ jobs:
       - name: Coveralls
         uses: coverallsapp/github-action@v2.3.0
         with:
+          parallel: true
           coverage-reporter-version: v0.6.6
 
+  finish:
+    needs: test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Close parallel build
+        uses: coverallsapp/github-action@v2.3.0
+        with:
+          parallel-finished: true
+
   # Use a container to run Python 3.5 (host OS doesn't matter)
   # required because of SSL cert errors in pip when running in the setup-python action
   # Don't bother with coveralls here, just run the tests