Update Dockerfile with Ruby 3.4.4

yasulab · yasulab · commit a64adf30bb28 · 2025-05-21T23:38:54.000+09:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2.8
+FROM ruby:3.4.4
 
 ENV LANG C.UTF-8
 
