diff --git a/rest/books/pom.xml b/rest/books/pom.xml
index fba5949..03c581d 100644
--- a/rest/books/pom.xml
+++ b/rest/books/pom.xml
@@ -21,7 +21,7 @@
 		<dependency>
 		    <groupId>com.google.code.gson</groupId>
 		    <artifactId>gson</artifactId>
-		    <version>2.8.1</version>
+		    <version>2.8.9</version>
 		</dependency>
 		<dependency>
 			<groupId>junit</groupId>