Upgrading kubernetes API

Change-Id: I279db986e2dab1ebcb5b48b4195363af395c8de3
diff --git a/mavenrepo/templates/deployment.yaml b/mavenrepo/templates/deployment.yaml
index a222c06..e64a5e0 100644
--- a/mavenrepo/templates/deployment.yaml
+++ b/mavenrepo/templates/deployment.yaml
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-apiVersion: extensions/v1beta1
+apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: mavenrepo
@@ -20,6 +20,10 @@
     app: mavenrepo
 spec:
   replicas: 1
+  selector:
+    matchLabels:
+      name: mavenrepo
+      release: {{ .Release.Name }}
   template:
     metadata:
       labels: