diff --git a/Dockerfile b/Dockerfile
index 9bbdb78..5c0da8f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.2-alpine
+FROM ruby:3.3.5-alpine
 
 RUN apk add --no-cache -X http://dl-cdn.alpinelinux.org/alpine/edge/testing hub
 RUN apk add --update --no-cache git openssh bash