diff --git a/Chapter-01-Spring-Introduction-and-Patterns/pom.xml b/Chapter-01-Spring-Introduction-and-Patterns/pom.xml
index 46c46ae..29bd3b5 100644
--- a/Chapter-01-Spring-Introduction-and-Patterns/pom.xml
+++ b/Chapter-01-Spring-Introduction-and-Patterns/pom.xml
@@ -5,7 +5,7 @@
   <version>0.0.1-SNAPSHOT</version>
   
   <properties>
-  	<spring.version>5.0.2.RELEASE</spring.version>
+  	<spring.version>5.2.1.RELEASE</spring.version>
   	<aspectj.version>1.8.9</aspectj.version>
   </properties>