update CI url
diff --git a/README.md b/README.md
index c4b17e0..0e52b57 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@
======================
[][license]
-[][build]
+[][build]
Demo of Maven Extensions:
* classical types of extensions,
@@ -29,4 +29,4 @@
[site]: https://maven.apache.org/studies/extension-demo/
[license]: https://www.apache.org/licenses/LICENSE-2.0
-[build]: https://builds.apache.org/job/maven-box/job/maven-studies/job/maven-extension-demo/
+[build]: https://ci-maven.apache.org/job/Maven/job/maven-box/job/maven-studies/job/maven-extension-demo/