diff --git a/.forgejo/workflows/firmware.yml b/.forgejo/workflows/firmware.yml
new file mode 100644
index 0000000..7b7a1cb
--- /dev/null
+++ b/.forgejo/workflows/firmware.yml
@@ -0,0 +1,18 @@
+---
+
+on: push
+
+jobs:
+
+  firmware:
+    runs-on: docker
+    steps:
+      - uses: https://code.forgejo.org/actions/checkout@v4
+      - name: prepare environment
+        run: |
+          apt update; apt install --yes python3-pip
+          pip3 install platformio
+      - name: build firmware image
+        run: |
+          cd esp
+          pio run
diff --git a/.woodpecker.yml b/.woodpecker.yml
deleted file mode 100644
index 316c784..0000000
--- a/.woodpecker.yml
+++ /dev/null
@@ -1,8 +0,0 @@
----
-pipeline:
-
-  firmware:
-    image: shaguarger/platformio@sha256:957b051ef5de99efc9a65d4444c5adeeb2fdda7d1b60fe747b6a7feb7ab368ee
-    commands:
-      - cd esp
-      - pio run