diff --git a/jsonnet/kube-prometheus/components/blackbox-exporter.libsonnet b/jsonnet/kube-prometheus/components/blackbox-exporter.libsonnet
index 1f88670e..cf91dfe4 100644
--- a/jsonnet/kube-prometheus/components/blackbox-exporter.libsonnet
+++ b/jsonnet/kube-prometheus/components/blackbox-exporter.libsonnet
@@ -214,7 +214,7 @@ function(params) {
       spec: {
         replicas: bb._config.replicas,
         selector: {
-          matchLabels: bb._config.selectorLabels
+          matchLabels: bb._config.selectorLabels,
         },
         template: {
           metadata: {
diff --git a/jsonnet/kube-prometheus/components/kube-state-metrics.libsonnet b/jsonnet/kube-prometheus/components/kube-state-metrics.libsonnet
index 6c89f26b..2c2f948c 100644
--- a/jsonnet/kube-prometheus/components/kube-state-metrics.libsonnet
+++ b/jsonnet/kube-prometheus/components/kube-state-metrics.libsonnet
@@ -144,7 +144,7 @@ function(params) (import 'github.com/kubernetes/kube-state-metrics/jsonnet/kube-
       spec: {
         jobLabel: 'app.kubernetes.io/name',
         selector: {
-          matchLabels: ksm._config.selectorLabels
+          matchLabels: ksm._config.selectorLabels,
         },
         endpoints: [
           {
diff --git a/jsonnet/kube-prometheus/components/node-exporter.libsonnet b/jsonnet/kube-prometheus/components/node-exporter.libsonnet
index 509e2ac5..c62975f6 100644
--- a/jsonnet/kube-prometheus/components/node-exporter.libsonnet
+++ b/jsonnet/kube-prometheus/components/node-exporter.libsonnet
@@ -210,7 +210,7 @@ function(params) {
       metadata: ne._metadata,
       spec: {
         selector: {
-          matchLabels: ne._config.selectorLabels
+          matchLabels: ne._config.selectorLabels,
         },
         updateStrategy: {
           type: 'RollingUpdate',
diff --git a/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet b/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
index 30d4634d..c7a4a407 100644
--- a/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
+++ b/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
@@ -233,7 +233,7 @@ function(params) {
       spec: {
         replicas: pa._config.replicas,
         selector: {
-          matchLabels: pa._config.selectorLabels
+          matchLabels: pa._config.selectorLabels,
         },
         strategy: {
           rollingUpdate: {