diff --git a/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet b/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
index 4a4d6850fad0e1dd680668404b83b859fd5a1a5e..8ff8b3a53b177f41af36568b1ab4c740ab5346a1 100644
--- a/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
+++ b/jsonnet/kube-prometheus/components/prometheus-adapter.libsonnet
@@ -240,7 +240,7 @@ function(params) {
         periodSeconds: 5,
         failureThreshold: 5,
       },
-      ports: [{ containerPort: 6443 }],
+      ports: [{ containerPort: 6443, name: 'https' }],
       volumeMounts: [
         { name: 'tmpfs', mountPath: '/tmp', readOnly: false },
         { name: 'volume-serving-cert', mountPath: '/var/run/serving-cert', readOnly: false },
diff --git a/manifests/prometheusAdapter-deployment.yaml b/manifests/prometheusAdapter-deployment.yaml
index 9ff5a3333f9c656f57d3f0b36f85d9a807cca1ea..003c6e45ef1442a214d8b3648d8e623de41f0235 100644
--- a/manifests/prometheusAdapter-deployment.yaml
+++ b/manifests/prometheusAdapter-deployment.yaml
@@ -49,6 +49,7 @@ spec:
         name: prometheus-adapter
         ports:
         - containerPort: 6443
+          name: https
         readinessProbe:
           failureThreshold: 5
           httpGet: