diff --git a/spring-prometheus-grafana-example/pom.xml b/spring-prometheus-grafana-example/pom.xml
index 76b6ddf..72b0954 100644
--- a/spring-prometheus-grafana-example/pom.xml
+++ b/spring-prometheus-grafana-example/pom.xml
@@ -20,7 +20,7 @@
21
3.5.5
- 1.15.3
+ 1.15.4