diff --git a/Dockerfile b/Dockerfile
index c3eff79..7dace3f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1.1-slim
+FROM ruby:3.1.2-slim
 
 RUN apt-get update -qq && apt-get install -yq --no-install-recommends \
     build-essential \