diff --git a/spring-security-tutorial/pom.xml b/spring-security-tutorial/pom.xml
index 7b12482..c05cca7 100644
--- a/spring-security-tutorial/pom.xml
+++ b/spring-security-tutorial/pom.xml
@@ -11,7 +11,7 @@
    <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     
-    <spring.core.version>3.1.0.RELEASE</spring.core.version>
+    <spring.core.version>5.2.20.RELEASE</spring.core.version>
     <spring.security.core.version>3.1.0.RELEASE</spring.security.core.version>
 	<spring.data.jpa.version>1.1.0.M1</spring.data.jpa.version>