diff --git a/Dockerfile b/Dockerfile
index 8a7895b..ef6ecd1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.1.0-slim-bullseye
+FROM ruby:3.1.0-slim
 
 RUN apt-get update && apt-get install -y --no-install-recommends \
     build-essential \