diff --git a/web/lesson7/pom.xml b/web/lesson7/pom.xml
index c0b86d6..727e83e 100644
--- a/web/lesson7/pom.xml
+++ b/web/lesson7/pom.xml
@@ -42,7 +42,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.6</version>
+            <version>2.8.9</version>
         </dependency>
     </dependencies>