diff --git a/.woodpecker.yml b/.woodpecker.yml
index 99c8cb8..b637caa 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -33,9 +33,3 @@ matrix:
   - ALPINE_VERSION: 3.14.8
     RUBY_VERSION: 2.7
     RUBY_PATCH: 6
-  - ALPINE_VERSION: 3.13.12
-    RUBY_VERSION: 2.7
-    RUBY_PATCH: 6
-  - ALPINE_VERSION: 3.13.6
-    RUBY_VERSION: 2.7
-    RUBY_PATCH: 6