diff --git a/samples/tropo-conference-example/pom.xml b/samples/tropo-conference-example/pom.xml
index c5c57f8..5dfffd6 100644
--- a/samples/tropo-conference-example/pom.xml
+++ b/samples/tropo-conference-example/pom.xml
@@ -18,7 +18,7 @@
junit
junit
- 3.8.1
+ 4.13.1
test