diff --git a/benten-jira-bolt/pom.xml b/benten-jira-bolt/pom.xml
index 849d54d..b8540bb 100644
--- a/benten-jira-bolt/pom.xml
+++ b/benten-jira-bolt/pom.xml
@@ -35,7 +35,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.5</version>
+            <version>4.5.13</version>
         </dependency>
         <dependency>
             <groupId>net.sf.json-lib</groupId>