diff --git a/dragonli-core/pom.xml b/dragonli-core/pom.xml
index 3e5e96f..dc45f18 100644
--- a/dragonli-core/pom.xml
+++ b/dragonli-core/pom.xml
@@ -64,7 +64,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.12</version>
+            <version>4.5.13</version>
         </dependency>
         <!-- tool -->