diff --git a/algorithm-sign-impl/pom.xml b/algorithm-sign-impl/pom.xml
index 900dca5..738df83 100644
--- a/algorithm-sign-impl/pom.xml
+++ b/algorithm-sign-impl/pom.xml
@@ -11,7 +11,7 @@
 		<dependency>
 			<groupId>com.alibaba</groupId>
 			<artifactId>fastjson</artifactId>
-			<version>1.2.70</version>
+			<version>1.2.83</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>