diff --git a/pom.xml b/pom.xml
index 434f09d..4ee93d7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -208,7 +208,7 @@
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <swagger-core-version>1.5.15</swagger-core-version>
     <okhttp-version>2.7.5</okhttp-version>
-    <gson-version>2.8.1</gson-version>
+    <gson-version>2.8.9</gson-version>
     <jodatime-version>2.9.9</jodatime-version>
     <maven-plugin-version>1.0.0</maven-plugin-version>
     <junit-version>4.12</junit-version>