diff --git a/manifests/base/configmap.yaml b/manifests/base/configmap.yaml
new file mode 100644
index 0000000..f367905
--- /dev/null
+++ b/manifests/base/configmap.yaml
@@ -0,0 +1,8 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: etos-suite-runner
+  labels:
+    app.kubernetes.io/name: etos-suite-starter
+data:
+  ETR_VERSION:
diff --git a/manifests/base/kustomization.yaml b/manifests/base/kustomization.yaml
index 7494369..28c9c5d 100644
--- a/manifests/base/kustomization.yaml
+++ b/manifests/base/kustomization.yaml
@@ -1,10 +1,20 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
+
+resources:
+  - ./configmap.yaml
+
 configMapGenerator:
   - name: etos-suite-starter
     literals:
       - SUITE_RUNNER=registry.nordix.org/eiffel/etos-suite-runner:7c392331
       - LOG_LISTENER=registry.nordix.org/eiffel/etos-log-listener:7c392331
-  - name: etos-suite-runner
-    literals:
-      - ETR_VERSION="3.4.0"
+
+patches:
+  - target:
+      name: etos-suite-runner
+      kind: ConfigMap
+    patch: |-
+      - op: add
+        path: /data/ETR_VERSION
+        value: 3.4.0