diff --git a/freemarker-generator-maven-plugin/pom.xml b/freemarker-generator-maven-plugin/pom.xml
index c8b014a..d7d640f 100644
--- a/freemarker-generator-maven-plugin/pom.xml
+++ b/freemarker-generator-maven-plugin/pom.xml
@@ -35,7 +35,7 @@
         <maven-core.version>3.6.3</maven-core.version>
         <maven-plugin-api.version>3.6.3</maven-plugin-api.version>
         <maven-plugin-annotations.version>3.6.0</maven-plugin-annotations.version>
-        <gson.version>2.8.6</gson.version>
+        <gson.version>2.8.9</gson.version>
         <mockito.version>3.7.7</mockito.version>
         <assertj-core.version>3.18.1</assertj-core.version>
     </properties>