diff --git a/.woodpecker.yml b/.woodpecker.yml
index 71dcde8..c4defc6 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -17,8 +17,8 @@ steps:
       branch: "antifascista"
       event: "push"
 matrix:
-  ALPINE_VERSION:
-  - "3.20.1"
-  - "3.19.2"
-  - "3.18.7"
-  - "3.17.8"
+  include:
+  - ALPINE_VERSION: "3.20.1"
+  - ALPINE_VERSION: "3.19.2"
+  - ALPINE_VERSION: "3.18.7"
+  - ALPINE_VERSION: "3.17.8"