diff --git a/NOTICE.txt b/NOTICE.txt
index b9bbc9b..eb9f3b8 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -15,3 +15,12 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
+
+-----
+
+This project contains code from the Spring PetClinic sample REST application
+that is released under version 2.0 of the Apache License.
+Copyright 2002-2013 the original author or authors.
+https://github.com/spring-petclinic/spring-petclinic-rest
+
+-----