diff --git a/Spring/nacos/pom.xml b/Spring/nacos/pom.xml
index fce9baf..301ea9a 100644
--- a/Spring/nacos/pom.xml
+++ b/Spring/nacos/pom.xml
@@ -634,7 +634,7 @@
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.5</version>
+                <version>4.5.13</version>
                 <exclusions>
                     <exclusion>
                         <artifactId>commons-logging</artifactId>