diff --git a/pom.xml b/pom.xml
index 10a4735..6ddea8a 100644
--- a/pom.xml
+++ b/pom.xml
@@ -59,7 +59,7 @@
         <californium.version>3.2.0</californium.version>
         <jackson.version>2.12.1</jackson.version>
         <commons-lang3.version>3.4</commons-lang3.version>
-        <gson.version>2.6.2</gson.version>
+        <gson.version>2.8.9</gson.version>
         <protobuf.version>3.11.4</protobuf.version>
         <grpc.version>1.42.1</grpc.version>
         <mysql.version>8.0.16</mysql.version>