diff --git a/apis/v1alpha1/ack-generate-metadata.yaml b/apis/v1alpha1/ack-generate-metadata.yaml
index 840f09d..4fce5c6 100755
--- a/apis/v1alpha1/ack-generate-metadata.yaml
+++ b/apis/v1alpha1/ack-generate-metadata.yaml
@@ -1,9 +1,9 @@
 ack_generate_info:
-  build_date: "2025-05-13T18:54:04Z"
-  build_hash: 55bf57b2806c33a7fcd074be403f26ce3f8e58db
+  build_date: "2025-05-24T00:39:04Z"
+  build_hash: 66a58d259146834e61b211a9a01609beaa58ef77
   go_version: go1.24.2
-  version: v0.46.2
-api_directory_checksum: 4095ac70f994fe7a801e82ebc085fb88e449ef7f
+  version: v0.47.1
+api_directory_checksum: fdaeeb99359feab7411a0ea7a1546597978675dd
 api_version: v1alpha1
 aws_sdk_go_version: 1.32.6
 generator_config_info:
diff --git a/apis/v1alpha1/metric_alarm.go b/apis/v1alpha1/metric_alarm.go
index b947b13..3bc9a4e 100644
--- a/apis/v1alpha1/metric_alarm.go
+++ b/apis/v1alpha1/metric_alarm.go
@@ -213,6 +213,8 @@ type MetricAlarmSpec struct {
 	// +kubebuilder:validation:Required
 	Name *string `json:"name"`
 	// The namespace for the metric associated specified in MetricName.
+	//
+	// Regex Pattern: `^[^:]`
 	Namespace *string `json:"namespace,omitempty"`
 	// The actions to execute when this alarm transitions to an OK state from any
 	// other state. Each action is specified as an Amazon Resource Name (ARN). Valid
diff --git a/config/controller/kustomization.yaml b/config/controller/kustomization.yaml
index 5d1c617..e463bff 100644
--- a/config/controller/kustomization.yaml
+++ b/config/controller/kustomization.yaml
@@ -6,4 +6,4 @@ kind: Kustomization
 images:
 - name: controller
   newName: public.ecr.aws/aws-controllers-k8s/cloudwatch-controller
-  newTag: 1.0.8
+  newTag: 1.0.9
diff --git a/config/crd/bases/cloudwatch.services.k8s.aws_metricalarms.yaml b/config/crd/bases/cloudwatch.services.k8s.aws_metricalarms.yaml
index 3a4b5dd..58f433e 100644
--- a/config/crd/bases/cloudwatch.services.k8s.aws_metricalarms.yaml
+++ b/config/crd/bases/cloudwatch.services.k8s.aws_metricalarms.yaml
@@ -354,8 +354,10 @@ spec:
                   characters
                 type: string
               namespace:
-                description: The namespace for the metric associated specified in
-                  MetricName.
+                description: |-
+                  The namespace for the metric associated specified in MetricName.
+
+                  Regex Pattern: `^[^:]`
                 type: string
               oKActions:
                 description: |-
diff --git a/go.mod b/go.mod
index ab4af09..47e3a2e 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.24.0
 toolchain go1.24.1
 
 require (
-	github.com/aws-controllers-k8s/runtime v0.46.1
+	github.com/aws-controllers-k8s/runtime v0.47.0
 	github.com/aws/aws-sdk-go v1.49.0
 	github.com/aws/aws-sdk-go-v2 v1.36.0
 	github.com/aws/aws-sdk-go-v2/service/cloudwatch v1.43.12
diff --git a/go.sum b/go.sum
index 1c1cbdd..20845e1 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/aws-controllers-k8s/runtime v0.46.1 h1:61RU6uYiFSp0cDhv52vAmaPzrebzoudtsp1fGkk6iLk=
-github.com/aws-controllers-k8s/runtime v0.46.1/go.mod h1:G2UMBKA7qgXG4JV16NTIUp715uqvUEvWaa7TG1I527U=
+github.com/aws-controllers-k8s/runtime v0.47.0 h1:pWzMLrwAFrAmMuSukYDLrQp5Yw594w1ke6XWGmI3uyo=
+github.com/aws-controllers-k8s/runtime v0.47.0/go.mod h1:G2UMBKA7qgXG4JV16NTIUp715uqvUEvWaa7TG1I527U=
 github.com/aws/aws-sdk-go v1.49.0 h1:g9BkW1fo9GqKfwg2+zCD+TW/D36Ux+vtfJ8guF4AYmY=
 github.com/aws/aws-sdk-go v1.49.0/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/aws/aws-sdk-go-v2 v1.36.0 h1:b1wM5CcE65Ujwn565qcwgtOTT1aT4ADOHHgglKjG7fk=
diff --git a/helm/Chart.yaml b/helm/Chart.yaml
index 8c578df..d63a5a5 100644
--- a/helm/Chart.yaml
+++ b/helm/Chart.yaml
@@ -1,8 +1,8 @@
 apiVersion: v1
 name: cloudwatch-chart
 description: A Helm chart for the ACK service controller for Amazon CloudWatch (CloudWatch)
-version: 1.0.8
-appVersion: 1.0.8
+version: 1.0.9
+appVersion: 1.0.9
 home: https://github.com/aws-controllers-k8s/cloudwatch-controller
 icon: https://raw.githubusercontent.com/aws/eks-charts/master/docs/logo/aws.png
 sources:
diff --git a/helm/crds/cloudwatch.services.k8s.aws_metricalarms.yaml b/helm/crds/cloudwatch.services.k8s.aws_metricalarms.yaml
index 3d2c202..2646092 100644
--- a/helm/crds/cloudwatch.services.k8s.aws_metricalarms.yaml
+++ b/helm/crds/cloudwatch.services.k8s.aws_metricalarms.yaml
@@ -354,8 +354,10 @@ spec:
                   characters
                 type: string
               namespace:
-                description: The namespace for the metric associated specified in
-                  MetricName.
+                description: |-
+                  The namespace for the metric associated specified in MetricName.
+
+                  Regex Pattern: `^[^:]`
                 type: string
               oKActions:
                 description: |-
diff --git a/helm/templates/NOTES.txt b/helm/templates/NOTES.txt
index 4340d79..5a77332 100644
--- a/helm/templates/NOTES.txt
+++ b/helm/templates/NOTES.txt
@@ -1,5 +1,5 @@
 {{ .Chart.Name }} has been installed.
-This chart deploys "public.ecr.aws/aws-controllers-k8s/cloudwatch-controller:1.0.8".
+This chart deploys "public.ecr.aws/aws-controllers-k8s/cloudwatch-controller:1.0.9".
 
 Check its status by running:
   kubectl --namespace {{ .Release.Namespace }} get pods -l "app.kubernetes.io/instance={{ .Release.Name }}"
diff --git a/helm/values.yaml b/helm/values.yaml
index e21a075..b04d2d1 100644
--- a/helm/values.yaml
+++ b/helm/values.yaml
@@ -4,7 +4,7 @@
 
 image:
   repository: public.ecr.aws/aws-controllers-k8s/cloudwatch-controller
-  tag: 1.0.8
+  tag: 1.0.9
   pullPolicy: IfNotPresent
   pullSecrets: []