diff --git a/eks-cluster.cfndsl.rb b/eks-cluster.cfndsl.rb
index bc80b16..bb835e7 100644
--- a/eks-cluster.cfndsl.rb
+++ b/eks-cluster.cfndsl.rb
@@ -208,6 +208,17 @@
     LaunchTemplateData(template_data)
   }
 
+  add_ons = external_parameters.fetch(:add_ons, {})
+  add_ons.each do | add_on, config |
+    safe_addon_name = add_on.dup.gsub!('-','') || add_on
+    EKS_Addon("#{safe_addon_name.capitalize}Addon") {
+      AddonName add_on
+      AddonVersion config['version']
+      ResolveConflicts config['resolve_conflicts'] if config.has_key?('resolve_conflicts')
+      ClusterName Ref(:EksCluster)
+      Tags tags
+    }
+  end unless add_ons.empty?
 
   asg_tags = [
     { Key: FnSub("k8s.io/cluster/${EksCluster}"), Value: 'owned' },
diff --git a/tests/add_ons.test.yaml b/tests/add_ons.test.yaml
new file mode 100644
index 0000000..94dadc5
--- /dev/null
+++ b/tests/add_ons.test.yaml
@@ -0,0 +1,9 @@
+test_metadata:
+  type: config
+  name: add_ons
+  description: test with some basic configuration and an add on
+
+add_ons:
+  kube-proxy:
+    version: v1.21.2-eksbuild.2
+    resolve_conflicts: OVERWRITE
\ No newline at end of file