diff --git a/adal4j-yammer-webapp/pom.xml b/adal4j-yammer-webapp/pom.xml
index 8f65255..3adfbec 100644
--- a/adal4j-yammer-webapp/pom.xml
+++ b/adal4j-yammer-webapp/pom.xml
@@ -9,7 +9,7 @@
 	<name>adal4jsample</name>
 	<url>http://maven.apache.org</url>
 	<properties>
-		<spring.version>5.1.8.RELEASE</spring.version>
+		<spring.version>5.2.23.RELEASE</spring.version>
 	</properties>
 
 	<dependencies>