diff --git a/backend/pom.xml b/backend/pom.xml
index d31f10f..cc19e94 100644
--- a/backend/pom.xml
+++ b/backend/pom.xml
@@ -88,7 +88,7 @@
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>2.7</version>
+			<version>2.8.9</version>
 		</dependency>
 		<dependency>
 			<groupId>com.pi4j</groupId>