diff --git a/charts/drone/templates/deployment.yaml b/charts/drone/templates/deployment.yaml
index ba17b54..d7fa753 100644
--- a/charts/drone/templates/deployment.yaml
+++ b/charts/drone/templates/deployment.yaml
@@ -37,7 +37,7 @@ spec:
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           ports:
             - name: http
-              containerPort: 80
+              containerPort: {{ .Values.port }}
               protocol: TCP
           livenessProbe:
             httpGet:
diff --git a/charts/drone/values.yaml b/charts/drone/values.yaml
index f041adb..cd18345 100644
--- a/charts/drone/values.yaml
+++ b/charts/drone/values.yaml
@@ -36,6 +36,10 @@ podAnnotations: {}
 
 updateStrategy: {}
 
+# Listener port. Must be changed >1024 when securityContext set to runAsNonRoot
+# When changed, remember to set env variable DRONE_SERVER_PORT=<port>
+port: 80
+
 service:
   type: ClusterIP
   port: 80