diff --git a/charts/prometheus-json-exporter/Chart.yaml b/charts/prometheus-json-exporter/Chart.yaml
index 47c3f0f22a44..6b8d41b16abe 100644
--- a/charts/prometheus-json-exporter/Chart.yaml
+++ b/charts/prometheus-json-exporter/Chart.yaml
@@ -19,7 +19,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.12.0
+version: 0.13.0
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/prometheus-json-exporter/templates/extra-manifests.yaml b/charts/prometheus-json-exporter/templates/extra-manifests.yaml
new file mode 100644
index 000000000000..2b21b710621f
--- /dev/null
+++ b/charts/prometheus-json-exporter/templates/extra-manifests.yaml
@@ -0,0 +1,4 @@
+{{ range .Values.extraManifests }}
+---
+{{ tpl . $ }}
+{{ end }}
diff --git a/charts/prometheus-json-exporter/values.yaml b/charts/prometheus-json-exporter/values.yaml
index abb8c8738b01..5082673685f9 100644
--- a/charts/prometheus-json-exporter/values.yaml
+++ b/charts/prometheus-json-exporter/values.yaml
@@ -210,3 +210,14 @@ extraInitContainers: []
 extraArgs: []
 #  - name: --config.file
 #    value: /app/config/myconfig.yml
+
+# Extra manifests to deploy as an array
+extraManifests: []
+  # - |
+  #   apiVersion: v1
+  #   kind: ConfigMap
+  #   metadata:
+  #   labels:
+  #     name: prometheus-json-exporter-extra
+  #   data:
+  #     extra-data: "value"