diff --git a/Dockerfile b/Dockerfile
index d41bb1c..6708eaf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.1-alpine3.18
+FROM ruby:3.3.0-alpine3.18
 
 # for postgres: postgresql-dev
 RUN apk add --no-cache \