diff --git a/CoinBill/pom.xml b/CoinBill/pom.xml
index 9d6bdf5..1c52bb8 100644
--- a/CoinBill/pom.xml
+++ b/CoinBill/pom.xml
@@ -221,7 +221,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.6.2</version>
+            <version>2.8.9</version>
         </dependency>
         <dependency>
             <groupId>io.gsonfire</groupId>