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>
 
 
diff --git a/pom.xml b/pom.xml
index 0b4e0ca..250f46e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
         <maven.compiler.target>${maven.compiler.source}</maven.compiler.target>
         <!--VERSIONS-->
         <org.apache.felix.utils.version>1.11.4</org.apache.felix.utils.version>
-        <org.apache.httpcomponents.httpclient.version>4.5.11</org.apache.httpcomponents.httpclient.version>
+        <org.apache.httpcomponents.httpclient.version>4.5.13</org.apache.httpcomponents.httpclient.version>
     </properties>
 
     <modules>
@@ -78,7 +78,7 @@
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.5.6</version>
+                <version>4.5.13</version>
                 <scope>provided</scope>
             </dependency>
             <dependency>