diff --git a/.woodpecker.yml b/.woodpecker.yml
index 2c51943..5b87f5f 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -4,7 +4,7 @@ matrix:
     - linux/arm64
   os:
     - alpine
-    - ubuntu
+    - slim
   version:
     - 16
     - 18