diff --git a/15_etcd/15.4_etcdctl.md b/15_etcd/15.4_etcdctl.md
index ac9326f..aa5c286 100644
--- a/15_etcd/15.4_etcdctl.md
+++ b/15_etcd/15.4_etcdctl.md
@@ -16,7 +16,7 @@ USAGE:
 	etcdctl
 
 VERSION:
-	3.5.21
+	3.5.29
 
 API VERSION:
 	3.5
diff --git a/19_observability/19.1_prometheus.md b/19_observability/19.1_prometheus.md
index ac68f5e..2cc56b5 100644
--- a/19_observability/19.1_prometheus.md
+++ b/19_observability/19.1_prometheus.md
@@ -60,7 +60,7 @@ rule_files:
 ```yaml
 services:
   prometheus:
-    image: prom/prometheus:v3.11.0
+    image: prom/prometheus:v3.11.2
     volumes:
       - ./prometheus.yml:/etc/prometheus/prometheus.yml
       - ./rules.yml:/etc/prometheus/rules.yml
diff --git a/19_observability/19.3_performance_optimization.md b/19_observability/19.3_performance_optimization.md
index c806ac1..59a2716 100644
--- a/19_observability/19.3_performance_optimization.md
+++ b/19_observability/19.3_performance_optimization.md
@@ -164,12 +164,12 @@ scrape_configs:
 **完整监控栈部署：**
 
 > [!TIP]
-> 以下示例中的镜像标签（如 `prom/prometheus:v3.11.0`、`prom/node-exporter:v1.11.1`、`ghcr.io/google/cadvisor:v0.56.2`、`grafana/grafana:13.0.1`）仅为参考。在生产环境部署前，请访问各项目的官方发布页或文档获取最新版本号。
+> 以下示例中的镜像标签（如 `prom/prometheus:v3.11.2`、`prom/node-exporter:v1.11.1`、`ghcr.io/google/cadvisor:v0.56.2`、`grafana/grafana:13.0.1`）仅为参考。在生产环境部署前，请访问各项目的官方发布页或文档获取最新版本号。
 
 ```yaml
 services:
   prometheus:
-    image: prom/prometheus:v3.11.0
+    image: prom/prometheus:v3.11.2
     container_name: prometheus
     ports:
       - "9090:9090"