diff --git a/Dockerfile b/Dockerfile
index 1349e04..60d35df 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.1-alpine
+FROM ruby:3.3.2-alpine
 
 COPY . /root/sinatra-post-to-redis
 WORKDIR /root/sinatra-post-to-redis