diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ff3479a..f8c0d95 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,6 +1,10 @@
 name: Python package
 
-on: [push]
+on: 
+  push:
+  pull_request:
+    branches:
+      - main
 
 jobs:
   build:
@@ -11,14 +15,10 @@ jobs:
         python-version: [3.8, 3.12]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        python -m pip install -e .[dev]
     - name: Run tests
       run: python run tests