diff --git a/dhp-workflows/pom.xml b/dhp-workflows/pom.xml
index 53d029467..143178560 100644
--- a/dhp-workflows/pom.xml
+++ b/dhp-workflows/pom.xml
@@ -44,7 +44,7 @@
         <pluginRepository>
             <id>iis-releases</id>
             <name>iis releases plugin repository</name>
-            <url>http://maven.ceon.pl/artifactory/iis-releases</url>
+            <url>https://maven.ceon.pl/artifactory/iis-releases</url>
             <layout>default</layout>
         </pluginRepository>
     </pluginRepositories>