diff --git a/Dockerfile b/Dockerfile
index 03ea1393..61d61ae6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM ruby:3.3.4
+FROM ruby:3.3.5
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true
 
diff --git a/Dockerfile-alpine b/Dockerfile-alpine
index 93a8b482..b2b3f50a 100644
--- a/Dockerfile-alpine
+++ b/Dockerfile-alpine
@@ -1,4 +1,4 @@
-FROM ruby:3.3.4-alpine
+FROM ruby:3.3.5-alpine
 
 ENV LANG=C.UTF-8
 ENV ENABLE_SERVICE_WORKER=true