diff --git a/templates/prometheus-postgres-exporter/deployment.yaml b/templates/prometheus-postgres-exporter/deployment.yaml
index 7fd8f17..db16687 100644
--- a/templates/prometheus-postgres-exporter/deployment.yaml
+++ b/templates/prometheus-postgres-exporter/deployment.yaml
@@ -12,6 +12,7 @@ metadata:
   name: {{ include "prometheus-postgres-exporter.fullname" . }}
   namespace: {{ .Release.Namespace }}
 spec:
+  replicas: {{ .Values.deployment.replicas }}
   selector:
     matchLabels:
       {{- include "prometheus-postgres-exporter.pod.selectorLabels" . | nindent 6 }}
diff --git a/unittests/deployment/deployment.yaml b/unittests/deployment/deployment.yaml
index 5fdc25a..ab7c582 100644
--- a/unittests/deployment/deployment.yaml
+++ b/unittests/deployment/deployment.yaml
@@ -27,6 +27,9 @@ tests:
         app.kubernetes.io/name: prometheus-postgres-exporter
         app.kubernetes.io/version: 0.1.0
         helm.sh/chart: prometheus-postgres-exporter-0.1.0
+  - equal:
+      path: spec.replicas
+      value: 1
   - contains:
       path: spec.template.spec.containers[0].envFrom
       content:
@@ -91,6 +94,14 @@ tests:
   - notExists:
       path: spec.template.spec.topologySpreadConstraints
 
+- it: Test custom replicas
+  set:
+    deployment.replicas: 3
+  asserts:
+  - equal:
+      path: spec.replicas
+      value: 3
+
 - it: Test additional arguments
   set:
     deployment.postgresExporter.args:
diff --git a/values.schema.json b/values.schema.json
index 5ca9c16..df7e7d6 100644
--- a/values.schema.json
+++ b/values.schema.json
@@ -259,7 +259,7 @@
         "priorityClassName": {
           "type": "string"
         },
-        "replicaCount": {
+        "replicas": {
           "type": "integer"
         },
         "restartPolicy": {
@@ -326,7 +326,7 @@
         "postgresExporter",
         "nodeSelector",
         "priorityClassName",
-        "replicaCount",
+        "replicas",
         "restartPolicy",
         "securityContext",
         "strategy",
diff --git a/values.yaml b/values.yaml
index 4dad1c4..5835db2 100644
--- a/values.yaml
+++ b/values.yaml
@@ -198,8 +198,8 @@ deployment:
   ## @param deployment.priorityClassName PriorityClassName of the postgres-exporter deployment.
   priorityClassName: ""
 
-  ## @param deployment.replicaCount Number of replicas for the postgres-exporter deployment.
-  replicaCount: 1
+  ## @param deployment.replicas Number of replicas for the postgres-exporter deployment.
+  replicas: 1
 
   ## @param deployment.restartPolicy Restart policy of the postgres-exporter deployment.
   restartPolicy: ""