diff --git a/vaadin8-activiti/pom.xml b/vaadin8-activiti/pom.xml
index 05d68b9..c463518 100644
--- a/vaadin8-activiti/pom.xml
+++ b/vaadin8-activiti/pom.xml
@@ -18,7 +18,7 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 		<java.version>1.8</java.version>
-		<vaadin.version>8.4.2</vaadin.version>
+		<vaadin.version>8.12.3</vaadin.version>
         <activiti.version>6.0.0</activiti.version>
 	</properties>