diff --git a/Dockerfile b/Dockerfile
index a28f091..3e89c1f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Base image
-FROM ruby:3.3.5 as base
+FROM ruby:3.3.6 as base
 
 ENV LANG C.UTF-8
 
diff --git a/Dockerfile.dev b/Dockerfile.dev
index 4299b3d..e17f6f7 100644
--- a/Dockerfile.dev
+++ b/Dockerfile.dev
@@ -1,4 +1,4 @@
-FROM ruby:3.3.5
+FROM ruby:3.3.6
 
 ENV LANG C.UTF-8