diff --git a/client/pom.xml b/client/pom.xml
index db670890b..faf3a048e 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -138,7 +138,7 @@
       <dependency>
         <groupId>org.apache.httpcomponents</groupId>
         <artifactId>httpclient</artifactId>
-        <version>4.5.2</version>
+        <version>4.5.13</version>
       </dependency>
 
       <!-- overwrite provided scope for validation dependencies -->
diff --git a/pom.xml b/pom.xml
index dec16fd7d..d7adab6b3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -337,7 +337,7 @@
       <dependency>
         <groupId>org.apache.httpcomponents</groupId>
         <artifactId>httpclient</artifactId>
-        <version>4.4</version>
+        <version>4.5.13</version>
         <scope>provided</scope>
       </dependency>