diff --git a/spring-ioc/pom.xml b/spring-ioc/pom.xml
index f8c186c..9e647f0 100644
--- a/spring-ioc/pom.xml
+++ b/spring-ioc/pom.xml
@@ -15,7 +15,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
         <java.version>1.8</java.version>
-        <spring.version>5.3.2</spring.version>
+        <spring.version>5.3.19</spring.version>
     </properties>
 
     <dependencies>