diff --git a/1-lab/pom.xml b/1-lab/pom.xml
index 2e9e827..fc777c5 100644
--- a/1-lab/pom.xml
+++ b/1-lab/pom.xml
@@ -61,7 +61,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
 			<groupId>org.springframework.boot</groupId>