diff --git a/SecondhandBookTrade-parent/pom.xml b/SecondhandBookTrade-parent/pom.xml
index 84b362b..8f90c13 100644
--- a/SecondhandBookTrade-parent/pom.xml
+++ b/SecondhandBookTrade-parent/pom.xml
@@ -7,7 +7,7 @@
 	<!-- 集中定义依赖版本号 -->
 	<properties>
 		<junit.version>4.13.1</junit.version>
-		<spring.version>5.3.18</spring.version>
+		<spring.version>5.3.20</spring.version>
 		<mybatis.version>3.5.6</mybatis.version>
 		<mybatis.spring.version>1.2.2</mybatis.spring.version>
 		<mybatis.paginator.version>1.2.15</mybatis.paginator.version>