diff --git a/cmd/cluster/update_cluster.go b/cmd/cluster/update_cluster.go
index 9862a3ae..2dc1388f 100644
--- a/cmd/cluster/update_cluster.go
+++ b/cmd/cluster/update_cluster.go
@@ -65,27 +65,27 @@ var updateClusterCmd = &cobra.Command{
 
 		regionInfoMapList := []map[string]string{}
 		changedRegionInfo := cmd.Flags().Changed("region-info")
-        changedNodeInfo := cmd.Flags().Changed("node-config")
-
-        defaultNumCores := 0
-        defaultDiskSizeGb := 0
-        defaultDiskIops := 0
-        if changedNodeInfo {
-            nodeConfig, _ := cmd.Flags().GetStringToInt("node-config")
-            numCores, ok := nodeConfig["num-cores"]
-            if !asymmetricGeoEnabled && !ok {
-                logrus.Fatalln("Number of cores not specified in node config")
-            }
-            if asymmetricGeoEnabled && ok {
-                defaultNumCores = numCores
-            }
-            if diskSizeGb, ok := nodeConfig["disk-size-gb"]; ok {
-                defaultDiskSizeGb = diskSizeGb
-            }
-            if diskIops, ok := nodeConfig["disk-iops"]; ok {
-                defaultDiskIops = diskIops
-            }
-        }
+		changedNodeInfo := cmd.Flags().Changed("node-config")
+
+		defaultNumCores := 0
+		defaultDiskSizeGb := 0
+		defaultDiskIops := 0
+		if changedNodeInfo {
+			nodeConfig, _ := cmd.Flags().GetStringToInt("node-config")
+			numCores, ok := nodeConfig["num-cores"]
+			if !asymmetricGeoEnabled && !ok {
+				logrus.Fatalln("Number of cores not specified in node config")
+			}
+			if asymmetricGeoEnabled && ok {
+				defaultNumCores = numCores
+			}
+			if diskSizeGb, ok := nodeConfig["disk-size-gb"]; ok {
+				defaultDiskSizeGb = diskSizeGb
+			}
+			if diskIops, ok := nodeConfig["disk-iops"]; ok {
+				defaultDiskIops = diskIops
+			}
+		}
 
 		if changedRegionInfo {
 			regionInfoList, _ := cmd.Flags().GetStringArray("region-info")
@@ -133,20 +133,20 @@ var updateClusterCmd = &cobra.Command{
 					logrus.Fatalln("Number of nodes not specified in region info")
 				}
 				if _, ok := regionInfoMap["num-cores"]; asymmetricGeoEnabled && !ok && defaultNumCores > 0 {
-                    regionInfoMap["num-cores"] = strconv.Itoa(defaultNumCores)
-                }
-                if _, ok := regionInfoMap["disk-size-gb"]; asymmetricGeoEnabled && !ok && defaultDiskSizeGb > 0 {
-                    regionInfoMap["disk-size-gb"] = strconv.Itoa(defaultDiskSizeGb)
-                }
-                if _, ok := regionInfoMap["disk-iops"]; asymmetricGeoEnabled && !ok && defaultDiskIops > 0 {
-                    regionInfoMap["disk-iops"] = strconv.Itoa(defaultDiskIops)
-                }
+					regionInfoMap["num-cores"] = strconv.Itoa(defaultNumCores)
+				}
+				if _, ok := regionInfoMap["disk-size-gb"]; asymmetricGeoEnabled && !ok && defaultDiskSizeGb > 0 {
+					regionInfoMap["disk-size-gb"] = strconv.Itoa(defaultDiskSizeGb)
+				}
+				if _, ok := regionInfoMap["disk-iops"]; asymmetricGeoEnabled && !ok && defaultDiskIops > 0 {
+					regionInfoMap["disk-iops"] = strconv.Itoa(defaultDiskIops)
+				}
 
 				regionInfoMapList = append(regionInfoMapList, regionInfoMap)
 			}
 		}
 
-		clusterSpec, err := authApi.CreateClusterSpec(cmd, regionInfoMapList)
+		clusterSpec, err := authApi.EditClusterSpec(cmd, regionInfoMapList, clusterID)
 		if err != nil {
 			logrus.Fatalf("Error while creating cluster spec: %v", err)
 		}
diff --git a/internal/client/client.go b/internal/client/client.go
index 792ac2e9..0993924a 100644
--- a/internal/client/client.go
+++ b/internal/client/client.go
@@ -146,7 +146,7 @@ func (a *AuthApiClient) GetProjectID(projectID string) (string, error) {
 	return projectData[0].Info.Id, nil
 }
 
-func (a *AuthApiClient) CreateClusterSpec(cmd *cobra.Command, regionInfoList []map[string]string) (*ybmclient.ClusterSpec, error) {
+func (a *AuthApiClient) buildClusterSpec(cmd *cobra.Command, regionInfoList []map[string]string, regionNodeConfigsMap map[string][]ybmclient.NodeConfigurationResponseItem) (*ybmclient.ClusterSpec, error) {
 
 	var diskSizeGb int32
 	var diskIops int32
@@ -317,8 +317,12 @@ func (a *AuthApiClient) CreateClusterSpec(cmd *cobra.Command, regionInfoList []m
 		for k, _ := range regionNodeInfoMap {
 			regions = append(regions, k)
 		}
-		// Grab available node configurations by region.
-		regionNodeConfigsMap := a.GetSupportedNodeConfigurationsV2(cloud, tier, regions, geoPartitioned)
+
+		if regionNodeConfigsMap == nil {
+			// Grab available node configurations by region.
+			regionNodeConfigsMap = a.GetSupportedNodeConfigurationsV2(cloud, tier, regions, geoPartitioned)
+		}
+
 		// Create slice of region keys of node configurations response.
 		nodeConfigurationsRegions := make([]string, 0, len(regionNodeConfigsMap))
 		for k, _ := range regionNodeConfigsMap {
@@ -448,6 +452,20 @@ func (a *AuthApiClient) CreateClusterSpec(cmd *cobra.Command, regionInfoList []m
 	return clusterSpec, nil
 }
 
+func (a *AuthApiClient) CreateClusterSpec(cmd *cobra.Command, regionInfoList []map[string]string) (*ybmclient.ClusterSpec, error) {
+	return a.buildClusterSpec(cmd, regionInfoList, nil)
+}
+
+func (a *AuthApiClient) EditClusterSpec(cmd *cobra.Command, regionInfoList []map[string]string, clusterID string) (*ybmclient.ClusterSpec, error) {
+	regions := make([]string, 0, len(regionInfoList))
+	for _, regionInfo := range regionInfoList {
+		region := regionInfo["region"]
+		regions = append(regions, region)
+	}
+	var regionNodeConfigsMap = a.GetSupportedNodeConfigurationsForEdit(clusterID, regions)
+	return a.buildClusterSpec(cmd, regionInfoList, regionNodeConfigsMap)
+}
+
 func ToClusterNodeInfo(opt *ybmclient.OptionalClusterNodeInfo) ybmclient.ClusterNodeInfo {
 	clusterNodeInfo := *ybmclient.NewClusterNodeInfoWithDefaults()
 	clusterNodeInfo.SetNumCores(opt.GetNumCores())
@@ -933,6 +951,16 @@ func (a *AuthApiClient) GetSupportedNodeConfigurationsV2(cloud string, tier stri
 	return instanceResp.GetData()
 }
 
+func (a *AuthApiClient) GetSupportedNodeConfigurationsForEdit(clusterId string, regions []string) map[string][]ybmclient.NodeConfigurationResponseItem {
+	instanceResp, resp, err := a.ApiClient.ClusterApi.GetSupportedNodeConfigurationsForClusterEdit(a.ctx, a.AccountID, a.ProjectID, clusterId).Regions(regions).PerRegion(true).ShowDisabled(false).ClusterType("PRIMARY").Execute()
+	if err != nil {
+		b, _ := httputil.DumpResponse(resp, true)
+		logrus.Debug(b)
+		logrus.Fatalln(err)
+	}
+	return instanceResp.GetData()
+}
+
 func (a *AuthApiClient) GetFromInstanceType(resource string, cloud string, tier string, region string, numCores int32) (int32, error) {
 	instanceResp, resp, err := a.GetSupportedNodeConfigurations(cloud, tier, region).Execute()
 	if err != nil {
@@ -1462,7 +1490,7 @@ func (a *AuthApiClient) ListMetricsExporterConfigs() ybmclient.ApiListMetricsExp
 }
 
 func (a *AuthApiClient) ListDbAuditLogsExportConfigs(clusterId string) ybmclient.ApiListDbAuditExporterConfigRequest {
-	return a.ApiClient.ClusterApi.ListDbAuditExporterConfig(a.ctx,  a.AccountID, a.ProjectID, clusterId)
+	return a.ApiClient.ClusterApi.ListDbAuditExporterConfig(a.ctx, a.AccountID, a.ProjectID, clusterId)
 }
 
 func (a *AuthApiClient) DeleteMetricsExporterConfig(configId string) ybmclient.ApiDeleteMetricsExporterConfigRequest {