diff --git a/omtd-registry-service/pom.xml b/omtd-registry-service/pom.xml
index ace852e..5a26ff2 100644
--- a/omtd-registry-service/pom.xml
+++ b/omtd-registry-service/pom.xml
@@ -249,7 +249,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.5.3</version>
+			<version>4.5.13</version>
 		</dependency>
 		<dependency>
 			<groupId>eu.openminted</groupId>