diff --git a/go.mod b/go.mod
index 5d10e976f..bb869e74b 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,7 @@ require (
 	k8s.io/client-go v0.28.4
 	k8s.io/cluster-bootstrap v0.28.4
 	k8s.io/klog/v2 v2.100.1
-	sigs.k8s.io/cluster-api-provider-openstack v0.9.1
+	sigs.k8s.io/cluster-api-provider-openstack v0.9.2
 	sigs.k8s.io/controller-runtime v0.16.3
 	sigs.k8s.io/yaml v1.4.0
 )
diff --git a/go.sum b/go.sum
index c76dcf954..4cfe7656f 100644
--- a/go.sum
+++ b/go.sum
@@ -543,8 +543,8 @@ rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/cluster-api v1.6.0 h1:2bhVSnUbtWI8taCjd9lGiHExsRUpKf7Z1fXqi/IwYx4=
 sigs.k8s.io/cluster-api v1.6.0/go.mod h1:LB7u/WxiWj4/bbpHNOa1oQ8nq0MQ5iYlD0pGfRSBGLI=
-sigs.k8s.io/cluster-api-provider-openstack v0.9.1 h1:rbRJa8G7x/f9/aGrvxxIsxfDPrSJWUgaR/5BY1Ik4iE=
-sigs.k8s.io/cluster-api-provider-openstack v0.9.1/go.mod h1:ecR9lx4XbOr3Gg2CGNgM3wguuV6l31Nd5rUccE+xjKs=
+sigs.k8s.io/cluster-api-provider-openstack v0.9.2 h1:TGFtclX81HFiCkRJQe0wnWsnT/FBB69gSPFwcxQ+qlM=
+sigs.k8s.io/cluster-api-provider-openstack v0.9.2/go.mod h1:ecR9lx4XbOr3Gg2CGNgM3wguuV6l31Nd5rUccE+xjKs=
 sigs.k8s.io/controller-runtime v0.16.3 h1:2TuvuokmfXvDUamSx1SuAOO3eTyye+47mJCigwG62c4=
 sigs.k8s.io/controller-runtime v0.16.3/go.mod h1:j7bialYoSn142nv9sCOJmQgDXQXxnroFU4VnX/brVJ0=
 sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 4069b9a6f..758abf08f 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -827,7 +827,7 @@ k8s.io/utils/trace
 sigs.k8s.io/cluster-api/api/v1beta1
 sigs.k8s.io/cluster-api/errors
 sigs.k8s.io/cluster-api/util/topology
-# sigs.k8s.io/cluster-api-provider-openstack v0.9.1
+# sigs.k8s.io/cluster-api-provider-openstack v0.9.2
 ## explicit; go 1.20
 sigs.k8s.io/cluster-api-provider-openstack/api/v1alpha7
 sigs.k8s.io/cluster-api-provider-openstack/pkg/clients
diff --git a/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/mock/network.go b/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/mock/network.go
index 091a89f3b..045a93d3b 100644
--- a/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/mock/network.go
+++ b/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/mock/network.go
@@ -546,6 +546,21 @@ func (mr *MockNetworkClientMockRecorder) ListTrunk(arg0 interface{}) *gomock.Cal
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListTrunk", reflect.TypeOf((*MockNetworkClient)(nil).ListTrunk), arg0)
 }
 
+// ListTrunkSubports mocks base method.
+func (m *MockNetworkClient) ListTrunkSubports(arg0 string) ([]trunks.Subport, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListTrunkSubports", arg0)
+	ret0, _ := ret[0].([]trunks.Subport)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListTrunkSubports indicates an expected call of ListTrunkSubports.
+func (mr *MockNetworkClientMockRecorder) ListTrunkSubports(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListTrunkSubports", reflect.TypeOf((*MockNetworkClient)(nil).ListTrunkSubports), arg0)
+}
+
 // RemoveRouterInterface mocks base method.
 func (m *MockNetworkClient) RemoveRouterInterface(arg0 string, arg1 routers.RemoveInterfaceOptsBuilder) (*routers.InterfaceInfo, error) {
 	m.ctrl.T.Helper()
@@ -561,6 +576,20 @@ func (mr *MockNetworkClientMockRecorder) RemoveRouterInterface(arg0, arg1 interf
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RemoveRouterInterface", reflect.TypeOf((*MockNetworkClient)(nil).RemoveRouterInterface), arg0, arg1)
 }
 
+// RemoveSubports mocks base method.
+func (m *MockNetworkClient) RemoveSubports(arg0 string, arg1 trunks.RemoveSubportsOpts) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "RemoveSubports", arg0, arg1)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RemoveSubports indicates an expected call of RemoveSubports.
+func (mr *MockNetworkClientMockRecorder) RemoveSubports(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RemoveSubports", reflect.TypeOf((*MockNetworkClient)(nil).RemoveSubports), arg0, arg1)
+}
+
 // ReplaceAllAttributesTags mocks base method.
 func (m *MockNetworkClient) ReplaceAllAttributesTags(arg0, arg1 string, arg2 attributestags.ReplaceAllOptsBuilder) ([]string, error) {
 	m.ctrl.T.Helper()
diff --git a/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/networking.go b/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/networking.go
index 23ad3c8fd..8967c7b34 100644
--- a/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/networking.go
+++ b/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/clients/networking.go
@@ -53,6 +53,9 @@ type NetworkClient interface {
 	CreateTrunk(opts trunks.CreateOptsBuilder) (*trunks.Trunk, error)
 	DeleteTrunk(id string) error
 
+	ListTrunkSubports(trunkID string) ([]trunks.Subport, error)
+	RemoveSubports(id string, opts trunks.RemoveSubportsOpts) error
+
 	ListRouter(opts routers.ListOpts) ([]routers.Router, error)
 	CreateRouter(opts routers.CreateOptsBuilder) (*routers.Router, error)
 	DeleteRouter(id string) error
@@ -238,6 +241,24 @@ func (c networkClient) DeleteTrunk(id string) error {
 	return mc.ObserveRequestIgnoreNotFound(trunks.Delete(c.serviceClient, id).ExtractErr())
 }
 
+func (c networkClient) ListTrunkSubports(trunkID string) ([]trunks.Subport, error) {
+	mc := metrics.NewMetricPrometheusContext("trunk", "listsubports")
+	subports, err := trunks.GetSubports(c.serviceClient, trunkID).Extract()
+	if mc.ObserveRequest(err) != nil {
+		return nil, err
+	}
+	return subports, nil
+}
+
+func (c networkClient) RemoveSubports(id string, opts trunks.RemoveSubportsOpts) error {
+	mc := metrics.NewMetricPrometheusContext("trunk", "deletesubports")
+	_, err := trunks.RemoveSubports(c.serviceClient, id, opts).Extract()
+	if mc.ObserveRequest(err) != nil {
+		return err
+	}
+	return nil
+}
+
 func (c networkClient) ListTrunk(opts trunks.ListOptsBuilder) ([]trunks.Trunk, error) {
 	mc := metrics.NewMetricPrometheusContext("trunk", "list")
 	allPages, err := trunks.List(c.serviceClient, opts).AllPages()
diff --git a/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/cloud/services/networking/trunk.go b/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/cloud/services/networking/trunk.go
index 6743478ff..374bcb6eb 100644
--- a/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/cloud/services/networking/trunk.go
+++ b/vendor/sigs.k8s.io/cluster-api-provider-openstack/pkg/cloud/services/networking/trunk.go
@@ -31,8 +31,9 @@ import (
 )
 
 const (
-	timeoutTrunkDelete       = 3 * time.Minute
-	retryIntervalTrunkDelete = 5 * time.Second
+	timeoutTrunkDelete         = 3 * time.Minute
+	retryIntervalTrunkDelete   = 5 * time.Second
+	retryIntervalSubportDelete = 30 * time.Second
 )
 
 func (s *Service) GetTrunkSupport() (bool, error) {
@@ -77,6 +78,42 @@ func (s *Service) getOrCreateTrunk(eventObject runtime.Object, clusterName, trun
 	return trunk, nil
 }
 
+func (s *Service) RemoveTrunkSubports(trunkID string) error {
+	subports, err := s.client.ListTrunkSubports(trunkID)
+	if err != nil {
+		return err
+	}
+
+	if len(subports) == 0 {
+		return nil
+	}
+
+	portList := make([]trunks.RemoveSubport, len(subports))
+	for i, subport := range subports {
+		portList[i] = trunks.RemoveSubport{
+			PortID: subport.PortID,
+		}
+	}
+
+	removeSubportsOpts := trunks.RemoveSubportsOpts{
+		Subports: portList,
+	}
+
+	err = s.client.RemoveSubports(trunkID, removeSubportsOpts)
+	if err != nil {
+		return err
+	}
+
+	for _, subPort := range subports {
+		err := s.client.DeletePort(subPort.PortID)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 func (s *Service) DeleteTrunk(eventObject runtime.Object, portID string) error {
 	listOpts := trunks.ListOpts{
 		PortID: portID,
@@ -88,6 +125,22 @@ func (s *Service) DeleteTrunk(eventObject runtime.Object, portID string) error {
 	if len(trunkInfo) != 1 {
 		return nil
 	}
+	// Delete sub-ports if trunk is associated with sub-ports
+	err = wait.PollUntilContextTimeout(context.TODO(), retryIntervalSubportDelete, timeoutTrunkDelete, true, func(_ context.Context) (bool, error) {
+		if err := s.RemoveTrunkSubports(trunkInfo[0].ID); err != nil {
+			if capoerrors.IsNotFound(err) || capoerrors.IsConflict(err) || capoerrors.IsRetryable(err) {
+				return false, nil
+			}
+			return false, err
+		}
+		return true, nil
+	})
+	if err != nil {
+		record.Warnf(eventObject, "FailedRemoveTrunkSubports", "Failed to delete sub ports trunk %s with id %s: %v", trunkInfo[0].Name, trunkInfo[0].ID, err)
+		return err
+	}
+
+	record.Eventf(eventObject, "SuccessfulRemoveTrunkSubports", "Removed trunk sub ports %s with id %s", trunkInfo[0].Name, trunkInfo[0].ID)
 
 	err = wait.PollUntilContextTimeout(context.TODO(), retryIntervalTrunkDelete, timeoutTrunkDelete, true, func(_ context.Context) (bool, error) {
 		if err := s.client.DeleteTrunk(trunkInfo[0].ID); err != nil {