diff --git a/.github/workflows/pypi.yml b/.github/workflows/pypi.yml
index 55b49e1..4dbbb20 100644
--- a/.github/workflows/pypi.yml
+++ b/.github/workflows/pypi.yml
@@ -1,13 +1,8 @@
 name: Publish to PyPI
 
 on:
-  pull_request:
-  push:
-    branches:
-      - main
   release:
-    types:
-      - published
+    types: [created, edited]
 
 jobs:
   packages:
diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index afc9cac..bbd7721 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -24,7 +24,7 @@ jobs:
     outputs:
       triggered: ${{ steps.detect-trigger.outputs.trigger-found }}
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 2
       - uses: xarray-contrib/ci-trigger@v1.2
@@ -53,7 +53,7 @@ jobs:
         experimental: [false]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set environment variables
         run: |