diff --git a/.woodpecker.yml b/.woodpecker.yml
index e5d14ec1..d36c73f1 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -1,6 +1,6 @@
 pipeline:
   publish:
-    image: registry.nulo.in/sutty/containers-gem-compiler:${ALPINE_VERSION}
+    image: registry.nulo.in/sutty/containers-gem-compiler:${ALPINE_VERSION}-${RUBY_VERSION}.${RUBY_PATCH}
     pull: true
     commands:
     - git checkout -B ${CI_COMMIT_BRANCH}
@@ -28,5 +28,7 @@ pipeline:
       event: push
 
 matrix:
-  ALPINE_VERSION:
-  - 3.16.2
+  include:
+  - ALPINE_VERSION: 3.16.2
+    RUBY_VERSION: 3.1
+    RUBY_PATCH: 2