diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e1dbb4a..4f22a5c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,16 +1,19 @@
 name: Release and publish
 
 on:
-  push:
-    branches:
-      - main
-    tags:
-      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+  workflow_run:
+    workflows: [ "Tests" ]
+    branches: [ main ]
+    types:
+      - completed  # only release when tests have passed
+
   workflow_dispatch:
 
 jobs:
   release:
     runs-on: ubuntu-latest
+    if: ${{ github.event_name == 'workflow_dispatch' || (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success') }}
+    # only run when tests have passed (or manually triggered)
 
     steps:
       - uses: actions/checkout@v1
@@ -22,12 +25,9 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
+          pip install setuptools setuptools_scm wheel
           pip install -e .[tests]
 
-      - name: Test
-        run:  |
-          pytest --mpl tests # test everything
-
       - name: Build packages
         run: |
           python setup.py sdist bdist_wheel