diff --git a/images/ruby-script/Dockerfile b/images/ruby-script/Dockerfile
index 37ef255..9e2fc08 100644
--- a/images/ruby-script/Dockerfile
+++ b/images/ruby-script/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.4.2-slim-bookworm
+FROM ruby:3.4.3-slim-bookworm
 
 ENV DEBIAN_FRONTEND=noninteractive
 RUN --mount=type=cache,target=/var/cache/apt,id=apt \