diff --git a/azimuth_capi/models/v1alpha1/cluster_template.py b/azimuth_capi/models/v1alpha1/cluster_template.py
index ae1dbb4..c87dd3d 100644
--- a/azimuth_capi/models/v1alpha1/cluster_template.py
+++ b/azimuth_capi/models/v1alpha1/cluster_template.py
@@ -1,3 +1,5 @@
+import typing as t
+
 from pydantic import Extra, Field, constr
 
 from kube_custom_resource import CustomResource, Scope, schema
@@ -39,6 +41,10 @@ class ClusterTemplateSpec(schema.BaseModel):
             "using the template."
         )
     )
+    tags: t.List[constr(min_length = 1)] = Field(
+        default_factory = list,
+        description = "Tags for the cluster."
+    )
     values: ClusterTemplateValues = Field(
         ...,
         description = "The values to use when deploying the Helm chart."