diff --git a/templates/LABELS.md b/templates/LABELS.md
index 2e30a71e..74c20f63 100644
--- a/templates/LABELS.md
+++ b/templates/LABELS.md
@@ -3,6 +3,12 @@
 This file exemplarily describes the labels we will be using to select
 the workload a template is supposed to be used for.
 
+## Deprecated templates
+
+When a template is deprecated, the following annotation is applied to it: `template.kubevirt.io/deprecated: "true"`.
+
+The template itself is not removed for backward compatibility reasons.
+
 ## Operating systems
 
 The operating system labels must match the [libosinfo
diff --git a/templates/centos6.tpl.yaml b/templates/centos6.tpl.yaml
index 42c81688..24f6f576 100644
--- a/templates/centos6.tpl.yaml
+++ b/templates/centos6.tpl.yaml
@@ -4,6 +4,7 @@ kind: Template
 metadata:
   name: {{ os }}-{{ item.workload }}-{{ item.flavor }}
   annotations:
+    template.kubevirt.io/deprecated: "true"
     openshift.io/display-name: "CentOS 6.0+ VM"
     description: >-
       Template for CentOS 6 VM or newer.