diff --git a/manifests/application.pp b/manifests/application.pp
index 6b820ce..2ef6779 100644
--- a/manifests/application.pp
+++ b/manifests/application.pp
@@ -37,6 +37,9 @@ define murano::application (
 
   include murano::deps
 
+  warning("The murano::application defined type is deprecated. \
+Use the murano_application resource type instead.")
+
   $package_path="/var/cache/murano/meta/${package_name}.zip"
 
   murano_application { $package_name:
diff --git a/releasenotes/notes/deprecate-murano-application-cadb1c2716942a9e.yaml b/releasenotes/notes/deprecate-murano-application-cadb1c2716942a9e.yaml
new file mode 100644
index 0000000..b672401
--- /dev/null
+++ b/releasenotes/notes/deprecate-murano-application-cadb1c2716942a9e.yaml
@@ -0,0 +1,6 @@
+---
+deprecations:
+  - |
+    The ``murano::application`` defined resource type has been deprecated and
+    will be removed in a future release. Use the ``murano_application``
+    resource type instead.