diff --git a/testsystem-generator/pom.xml b/testsystem-generator/pom.xml
index da21345..fe3b2b4 100644
--- a/testsystem-generator/pom.xml
+++ b/testsystem-generator/pom.xml
@@ -26,7 +26,7 @@
         <commons.lang.version>2.6</commons.lang.version>
         <commons.io.version>2.5</commons.io.version>
         <commons.configuration.version>1.10</commons.configuration.version>
-        <fastjson.version>1.2.45</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <velocity.version>1.7</velocity.version>
         <mysql.version>5.1.38</mysql.version>
         <mssql.version>4.0</mssql.version>