diff --git a/Dockerfile b/Dockerfile
index 9118dd5..8409412 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.0-slim
+FROM ruby:3.1-slim
 
 ENV RAILS_ENV=production
 ENV RAILS_SERVE_STATIC_FILES=enabled