diff --git a/charts/prometheus-postgres-exporter/templates/deployment.yaml b/charts/prometheus-postgres-exporter/templates/deployment.yaml
index 90ff66ec4ac5..f1cb743b0c87 100644
--- a/charts/prometheus-postgres-exporter/templates/deployment.yaml
+++ b/charts/prometheus-postgres-exporter/templates/deployment.yaml
@@ -150,12 +150,14 @@ spec:
             httpGet:
               path: /
               port: http
+              scheme: {{ .Values.livenessProbe.scheme }}
           readinessProbe:
             initialDelaySeconds: {{ .Values.readinessProbe.initialDelaySeconds }}
             timeoutSeconds: {{ .Values.readinessProbe.timeoutSeconds }}
             httpGet:
               path: /
               port: http
+              scheme: {{ .Values.readinessProbe.scheme }}
           resources:
 {{ toYaml .Values.resources | indent 12 }}
           {{- with .Values.securityContext }}
diff --git a/charts/prometheus-postgres-exporter/templates/servicemonitor.yaml b/charts/prometheus-postgres-exporter/templates/servicemonitor.yaml
index 46c680a9850b..ad6e140b4b2e 100644
--- a/charts/prometheus-postgres-exporter/templates/servicemonitor.yaml
+++ b/charts/prometheus-postgres-exporter/templates/servicemonitor.yaml
@@ -20,6 +20,9 @@ spec:
 {{- if .Values.serviceMonitor.telemetryPath }}
     path: {{ .Values.serviceMonitor.telemetryPath }}
 {{- end }}
+{{- if .Values.serviceMonitor.scheme }}
+    scheme: {{ .Values.serviceMonitor.scheme }}
+{{- end }}
 {{- if .Values.serviceMonitor.timeout }}
     scrapeTimeout: {{ .Values.serviceMonitor.timeout }}
 {{- end }}
@@ -30,6 +33,10 @@ spec:
 {{- if .Values.serviceMonitor.relabelings }}
     relabelings:
 {{ toYaml .Values.serviceMonitor.relabelings | nindent 4 }}
+{{- end }}
+{{- with .Values.serviceMonitor.tlsConfig }}
+    tlsConfig:
+{{- . | toYaml | nindent 6 }}
 {{- end }}
   jobLabel: {{ template "prometheus-postgres-exporter.fullname" . }}
   namespaceSelector:
diff --git a/charts/prometheus-postgres-exporter/values.yaml b/charts/prometheus-postgres-exporter/values.yaml
index 80c229dc24c7..f5193c716b2d 100644
--- a/charts/prometheus-postgres-exporter/values.yaml
+++ b/charts/prometheus-postgres-exporter/values.yaml
@@ -45,6 +45,10 @@ serviceMonitor:
   # metricRelabelings: []
   # Set relabel_configs as per https://prometheus.io/docs/prometheus/latest/configuration/configuration/#relabel_config
   # relabelings: []
+  # HTTP scheme to use for scraping. For example `http` or `https`. Default is `http`.
+  # scheme: http
+  # TLS configuration to use when scraping the metric endpoint by Prometheus.
+  # tlsConfig: {}
 
 prometheusRule:
   enabled: false
@@ -198,10 +202,12 @@ podLabels: {}
 # Configurable health checks
 livenessProbe:
   initialDelaySeconds: 0
+  scheme: HTTP
   timeoutSeconds: 3
 
 readinessProbe:
   initialDelaySeconds: 0
+  scheme: HTTP
   timeoutSeconds: 1
 
 # Labels and annotations to attach to the deployment resource