diff --git a/simulator/pom.xml b/simulator/pom.xml
index b48e25f..eccaa11 100644
--- a/simulator/pom.xml
+++ b/simulator/pom.xml
@@ -45,7 +45,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.5.12</version>
+			<version>4.5.13</version>
 		</dependency>
 
 		<!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->