diff --git a/07_dockerfile/multistage_example/laravel/Dockerfile b/07_dockerfile/multistage_example/laravel/Dockerfile
index 82c97d5..8a59e84 100644
--- a/07_dockerfile/multistage_example/laravel/Dockerfile
+++ b/07_dockerfile/multistage_example/laravel/Dockerfile
@@ -1,4 +1,4 @@
-FROM node:20-alpine as frontend
+FROM node:22-alpine as frontend
 
 COPY package.json /app/
 
diff --git a/15_etcd/demo/cluster/docker-compose.yml b/15_etcd/demo/cluster/docker-compose.yml
index 0069343..097baac 100644
--- a/15_etcd/demo/cluster/docker-compose.yml
+++ b/15_etcd/demo/cluster/docker-compose.yml
@@ -2,7 +2,7 @@ version: "3.6"
 services:
 
   node1:
-    image: quay.io/coreos/etcd:v3.5.17
+    image: quay.io/coreos/etcd:v3.5.29
     volumes:
       - node1-data:/etcd-data
     expose:
@@ -34,7 +34,7 @@ services:
       - docker-etcd
 
   node2:
-    image: quay.io/coreos/etcd:v3.5.17
+    image: quay.io/coreos/etcd:v3.5.29
     volumes:
       - node2-data:/etcd-data
     networks:
@@ -66,7 +66,7 @@ services:
       - docker-etcd
 
   node3:
-    image: quay.io/coreos/etcd:v3.5.17
+    image: quay.io/coreos/etcd:v3.5.29
     volumes:
       - node3-data:/etcd-data
     networks: