diff --git a/asyncflows-protocol-http/pom.xml b/asyncflows-protocol-http/pom.xml
index 7c2a663..90a3698 100644
--- a/asyncflows-protocol-http/pom.xml
+++ b/asyncflows-protocol-http/pom.xml
@@ -69,7 +69,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.6</version>
+            <version>4.5.13</version>
             <scope>test</scope>
             <exclusions>
                 <exclusion>