diff --git a/.drone.yml b/.drone.yml
index f3021f0..1bf57de 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -5,13 +5,12 @@ name: branch-build
 
 steps:
   - name: build-pio
-    image: python:3
+    image: uxian/pio-esp32
     commands:
-      - pip install platformio
       - pio run
     when:
       event:
-        - push
+        - pull_request
 
   - name: docker-build
     image: docker:dind
@@ -25,7 +24,7 @@ steps:
     - docker buildx build --platform linux/amd64,linux/arm64 -t test:latest .
     when:
       event:
-        - push
+        - pull_request
 
 services:
 - name: dind