diff --git a/lesson7-chat/vaadin-chat/pom.xml b/lesson7-chat/vaadin-chat/pom.xml
index 9c461af..ef19ef0 100644
--- a/lesson7-chat/vaadin-chat/pom.xml
+++ b/lesson7-chat/vaadin-chat/pom.xml
@@ -77,7 +77,7 @@
com.h2database
h2
runtime
- 1.4.199
+ 2.1.210
org.springframework.security