diff --git a/ml-service-sdk/java/open-api-gen/pom.xml b/ml-service-sdk/java/open-api-gen/pom.xml
index 3079655..880b899 100644
--- a/ml-service-sdk/java/open-api-gen/pom.xml
+++ b/ml-service-sdk/java/open-api-gen/pom.xml
@@ -257,7 +257,7 @@
         <gson-fire-version>1.8.3</gson-fire-version>
         <swagger-core-version>1.5.22</swagger-core-version>
         <okhttp-version>3.14.2</okhttp-version>
-        <gson-version>2.8.5</gson-version>
+        <gson-version>2.8.9</gson-version>
         <commons-lang3-version>3.9</commons-lang3-version>
         <threetenbp-version>1.4.0</threetenbp-version>
         <maven-plugin-version>1.0.0</maven-plugin-version>