diff --git a/.woodpecker.yml b/.woodpecker.yml
index 5d8f1a3..a77b489 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,22 +1,29 @@
 pipeline:
   build_bike:
     group: build
-    image: python
+    image: python:3-alpine
     commands:
+      - apk add yajl-tools
       - pip install -U platformio
       - pio run -e bike -e bike_ble
       - pio run -e bike -e bike_ble --target buildfs
   build_esp32:
     group: build
-    image: python
+    image: python:3-alpine
     commands:
+      - apk add yajl-tools
       - pip install -U platformio
       - pio run -e esp32 -e esp32_wifi -e esp32_bluetooth
       - pio run -e esp32 -e esp32_wifi -e esp32_bluetooth --target buildfs
   build_8266:
     group: build
-    image: python
+    image: python:3-alpine
     commands:
+      - apk add yajl-tools
       - pip install -U platformio
       - pio run -e esp8266 -e esp8266_wifi
       - pio run -e esp8266 -e esp8266_wifi --target buildfs
+  check:
+    commands:
+      - pip install -U platformio
+      - pio check