diff --git a/springmvc5-slf4j-logback-example/pom.xml b/springmvc5-slf4j-logback-example/pom.xml
index 3c0c4f7..280ae0e 100644
--- a/springmvc5-slf4j-logback-example/pom.xml
+++ b/springmvc5-slf4j-logback-example/pom.xml
@@ -10,7 +10,7 @@
 	<url>http://maven.apache.org</url>
 	<properties>
 		<failOnMissingWebXml>false</failOnMissingWebXml>
-		<spring.version>5.1.0.RELEASE</spring.version>
+		<spring.version>5.2.20.RELEASE</spring.version>
 		<servlets.version>3.1.0</servlets.version>
 	</properties>
 	<dependencies>