diff --git a/implementations/ruby/Dockerfile b/implementations/ruby/Dockerfile
index 51ab22fab..2f75d3cc0 100644
--- a/implementations/ruby/Dockerfile
+++ b/implementations/ruby/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:latest
+FROM ruby:3.2
 WORKDIR /web
 COPY ./Gemfile* /web/
 RUN bundle