diff --git a/java/case2geo/pom.xml b/java/case2geo/pom.xml
index ef9fdab..8706000 100644
--- a/java/case2geo/pom.xml
+++ b/java/case2geo/pom.xml
@@ -52,7 +52,7 @@
     <dependency>
       <groupId>com.google.code.gson</groupId>
       <artifactId>gson</artifactId>
-      <version>2.14.0</version>
+      <version>2.15.0</version>
     </dependency>
   </dependencies>