diff --git a/.woodpecker.yml b/.woodpecker.yml
index 76ab09d..b2198f6 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -23,7 +23,7 @@ matrix:
   include:
   - ALPINE_VERSION: "3.17.3"
     RUBY_VERSION: "3.1"
-    RUBY_PATCH: "3"
+    RUBY_PATCH: "4"
   - ALPINE_VERSION: "3.14.10"
     RUBY_VERSION: "2.7"
     RUBY_PATCH: "8"