diff --git a/opts.yml b/opts.yml
index eaaf26a..465b630 100644
--- a/opts.yml
+++ b/opts.yml
@@ -1,4 +1,4 @@
-base_image: ruby:2.7.4-alpine3.14
+base_image: ruby:3.1.1-alpine3.15
 user: jekyll
 aliases:
   latest: 4.2.2