diff --git a/pom.xml b/pom.xml
index a155f07..324b283 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,7 +36,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <spring.version>4.3.24.RELEASE</spring.version>
         <fastjson.version>1.2.75</fastjson.version>
-        <gson.version>2.8.6</gson.version>
+        <gson.version>2.8.9</gson.version>
         <slf4j.version>1.7.21</slf4j.version>
         <jsoup.version>1.11.2</jsoup.version>
         <jacoco.version>0.7.5.201505241946</jacoco.version>