diff --git a/Dockerfile-bundle-base b/Dockerfile-bundle-base
index 89f3ca8..89cb075 100644
--- a/Dockerfile-bundle-base
+++ b/Dockerfile-bundle-base
@@ -1,4 +1,4 @@
-FROM ruby:2.2.4-alpine
+FROM ruby:3.4.4-alpine
 
 # Installation path
 ENV HOME=/app