diff --git a/ispyb-ejb/pom.xml b/ispyb-ejb/pom.xml
index f6dc23dd..2508b642 100644
--- a/ispyb-ejb/pom.xml
+++ b/ispyb-ejb/pom.xml
@@ -81,7 +81,7 @@
 		<dependency>
 			<groupId>com.google.code.gson</groupId>
 			<artifactId>gson</artifactId>
-			<version>1.7.1</version>
+			<version>2.8.9</version>
 		</dependency>
 		<dependency>
 			<groupId>org.jboss.ejb3</groupId>