diff --git a/drugs/pom.xml b/drugs/pom.xml
index b64af1c..1ed585f 100644
--- a/drugs/pom.xml
+++ b/drugs/pom.xml
@@ -7,7 +7,7 @@
   	<!-- 集中定义依赖版本号 -->
 	<properties>
 		<junit.version>4.12</junit.version>
-		<spring.version>4.1.3.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 		<mybatis.version>3.2.8</mybatis.version>
 		<mybatis.spring.version>1.2.2</mybatis.spring.version>
 		<mybatis.paginator.version>1.2.15</mybatis.paginator.version>