diff --git a/declarative/pom.xml b/declarative/pom.xml
index b6ef2a1..afa94b4 100644
--- a/declarative/pom.xml
+++ b/declarative/pom.xml
@@ -10,7 +10,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <vaadin.version>8.3.1</vaadin.version>
+        <vaadin.version>8.12.4</vaadin.version>
         <vaadin.plugin.version>${vaadin.version}</vaadin.plugin.version>
     </properties>
     <repositories>