diff --git a/Dockerfile b/Dockerfile
index 612eace..7da4b88 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM ruby:2.7.6
+FROM ruby:3.3.0
 
 SHELL ["/bin/bash", "-o", "pipefail", "-c"]