diff --git a/lesson6-vaadin/pom.xml b/lesson6-vaadin/pom.xml
index 61af118..a4d3359 100644
--- a/lesson6-vaadin/pom.xml
+++ b/lesson6-vaadin/pom.xml
@@ -77,7 +77,7 @@
             <groupId>com.h2database</groupId>
             <artifactId>h2</artifactId>
             <scope>runtime</scope>
-            <version>1.4.199</version>
+            <version>2.1.210</version>
         </dependency>
         <dependency>
             <groupId>org.springframework.security</groupId>