diff --git a/Dockerfile b/Dockerfile
index 494a609..d9e95e2 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:4.0.3-alpine
+FROM ruby:4.0.4-alpine
 
 ENV APP_ROOT=/usr/src/app
 ENV DATABASE_PORT=5432