diff --git a/pom.xml b/pom.xml
index c4a7391c..e9876c23 100644
--- a/pom.xml
+++ b/pom.xml
@@ -170,7 +170,7 @@ limitations under the License.
             <dependency>
                 <groupId>org.apache.httpcomponents</groupId>
                 <artifactId>httpclient</artifactId>
-                <version>4.5.9</version>
+                <version>4.5.11</version>
             </dependency>
 
             <!-- logging -->