upgrade

Issue #377

Author: rsoika

pom.xml

@@ -7,7 +7,7 @@
 
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-		<org.imixs.workflow.version>5.2.13</org.imixs.workflow.version>
+		<org.imixs.workflow.version>5.2.15</org.imixs.workflow.version>
 		<org.imixs.mock.version>5.2.0</org.imixs.mock.version>
 		<microprofile.version>3.0</microprofile.version>
 	</properties>