diff --git a/eg001-seal-sign/pom.xml b/eg001-seal-sign/pom.xml
index d04c01d..fd9d1f2 100644
--- a/eg001-seal-sign/pom.xml
+++ b/eg001-seal-sign/pom.xml
@@ -90,7 +90,7 @@
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
-            <version>5.0.8.RELEASE</version>
+            <version>5.3.18</version>
         </dependency>
 
         <dependency>