diff --git a/adal4j-yammer-webapp/pom.xml b/adal4j-yammer-webapp/pom.xml
index 8f65255..8db8f5f 100644
--- a/adal4j-yammer-webapp/pom.xml
+++ b/adal4j-yammer-webapp/pom.xml
@@ -9,7 +9,7 @@
adal4jsample
http://maven.apache.org
- 5.1.8.RELEASE
+ 5.2.20.RELEASE