diff --git a/Dockerfile b/Dockerfile
index 4e5604dd1..96c471bde 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # syntax=docker/dockerfile:1
-FROM ruby:3
+FROM ruby:3.0.3
 RUN apt-get update -qq && apt-get install -y nodejs postgresql-client
 WORKDIR /app
 COPY Gemfile /app/Gemfile