diff --git a/core-diagrams/pom.xml b/core-diagrams/pom.xml
index 4d4678e..d3dcd22 100644
--- a/core-diagrams/pom.xml
+++ b/core-diagrams/pom.xml
@@ -508,7 +508,7 @@ org.w3c.dom.smil
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.12</version>
+            <version>4.5.13</version>
         </dependency>