diff --git a/controllers/capacity.go b/controllers/capacity.go
index ec2aea2..cdd4319 100644
--- a/controllers/capacity.go
+++ b/controllers/capacity.go
@@ -10,13 +10,14 @@ import (
 
 func MkZuulCapacityContainer() apiv1.Container {
 	container := base.MkContainer("zuul-capacity", "ghcr.io/softwarefactory-project/zuul-capacity:latest")
+	container.Args = []string{"--port", "9100"}
 	container.Env = []apiv1.EnvVar{
 		base.MkEnvVar("OS_CLIENT_CONFIG_FILE", "/.openstack/clouds.yaml"),
 	}
 	container.Ports = []apiv1.ContainerPort{
-		base.MkContainerPort(8080, "zuul-capacity"),
+		base.MkContainerPort(9100, "zuul-capacity"),
 	}
-	container.ReadinessProbe = base.MkReadinessHTTPProbe("/", 8080)
+	container.ReadinessProbe = base.MkReadinessHTTPProbe("/", 9100)
 	container.VolumeMounts = []apiv1.VolumeMount{
 		{
 			Name:      "nodepool-config",
diff --git a/controllers/nodepool.go b/controllers/nodepool.go
index 2ed3512..a21de7d 100644
--- a/controllers/nodepool.go
+++ b/controllers/nodepool.go
@@ -795,7 +795,7 @@ func (r *SFController) DeployNodepoolLauncher(statsdExporterVolume apiv1.Volume,
 		)
 
 		// Setup zuul-capacity service
-		zcSrv := base.MkService("zuul-capacity", r.ns, "nodepool-launcher", []int32{8080}, "zuul-capacity", r.cr.Spec.ExtraLabels)
+		zcSrv := base.MkService("zuul-capacity", r.ns, "nodepool-launcher", []int32{9100}, "zuul-capacity", r.cr.Spec.ExtraLabels)
 		r.GetOrCreate(&zcSrv)
 	}
 
diff --git a/controllers/static/gateway/gateway.conf b/controllers/static/gateway/gateway.conf
index 8c42838..6afe571 100644
--- a/controllers/static/gateway/gateway.conf
+++ b/controllers/static/gateway/gateway.conf
@@ -28,7 +28,7 @@
     ProxyPassReverse /zuul http://zuul-web:9000/
 
     # Handle zuul-capacity requests
-    ProxyPass "/zuul-capacity" "http://zuul-capacity:8080" retry=0
+    ProxyPass "/zuul-capacity" "http://zuul-capacity:9100" retry=0
 
     # Handle Weeder requests
     ProxyPass "/weeder" "http://zuul-weeder:9001" retry=0
diff --git a/doc/reference/CHANGELOG.md b/doc/reference/CHANGELOG.md
index 9a61a55..ca3a727 100644
--- a/doc/reference/CHANGELOG.md
+++ b/doc/reference/CHANGELOG.md
@@ -10,6 +10,13 @@ All notable changes to this project will be documented in this file.
 ### Removed
 ### Fixed
 
+## [v0.0.49] - 2024-12-03
+
+### Changed
+
+- zuul-capacity default port is changed to 9100
+
+
 ## [v0.0.48] - 2024-11-26
 
 ### Added