diff --git a/.woodpecker.yml b/.woodpecker.yml
index 6b5567d..dfd043c 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -17,7 +17,7 @@ steps:
       event: "push"
 matrix:
   include:
+  - ALPINE_VERSION: "3.21.0"
   - ALPINE_VERSION: "3.20.3"
   - ALPINE_VERSION: "3.19.4"
   - ALPINE_VERSION: "3.18.9"
-  - ALPINE_VERSION: "3.17.10"