diff --git a/build/Dockerfile b/build/Dockerfile
index bfb605a..7095c82 100644
--- a/build/Dockerfile
+++ b/build/Dockerfile
@@ -23,7 +23,7 @@ ENV MODE="cluster" \
     TOMCAT_ACCESSLOG_ENABLED="false" \
     TIME_ZONE="Asia/Shanghai"
 
-ARG NACOS_VERSION=2.4.2.1
+ARG NACOS_VERSION=2.4.3
 ARG HOT_FIX_FLAG=""
 
 WORKDIR $BASE_DIR
diff --git a/build/Dockerfile.Slim b/build/Dockerfile.Slim
index 987cf54..3434418 100644
--- a/build/Dockerfile.Slim
+++ b/build/Dockerfile.Slim
@@ -1,6 +1,6 @@
 FROM amd64/buildpack-deps:buster-curl as installer
 
-ARG NACOS_VERSION=2.4.2.1
+ARG NACOS_VERSION=2.4.3
 ARG HOT_FIX_FLAG=""
 
 RUN set -x \
diff --git a/example/.env b/example/.env
index 3af8fc9..6c287a9 100644
--- a/example/.env
+++ b/example/.env
@@ -1 +1 @@
-NACOS_VERSION=v2.4.2.1
+NACOS_VERSION=v2.4.3