diff --git a/ddlab.codepublisher.core/pom.xml b/ddlab.codepublisher.core/pom.xml
index f03af3b..51f855e 100644
--- a/ddlab.codepublisher.core/pom.xml
+++ b/ddlab.codepublisher.core/pom.xml
@@ -35,7 +35,7 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.5.4</version>
+			<version>4.5.13</version>
 		</dependency>
 		<dependency>
 			<groupId>com.fasterxml.jackson.core</groupId>