diff --git a/pom.xml b/pom.xml
index da5578b..89327e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
         <kaptcha.version>2.3.3</kaptcha.version>
         <mybatis-spring-boot.version>2.2.2</mybatis-spring-boot.version>
         <pagehelper.boot.version>1.4.5</pagehelper.boot.version>
-        <fastjson.version>2.0.16</fastjson.version>
+        <fastjson.version>2.0.20</fastjson.version>
         <oshi.version>6.3.2</oshi.version>
         <commons.io.version>2.11.0</commons.io.version>
         <commons.fileupload.version>1.4</commons.fileupload.version>