diff --git a/.changelog/518.txt b/.changelog/518.txt
new file mode 100644
index 00000000..da7cf2f7
--- /dev/null
+++ b/.changelog/518.txt
@@ -0,0 +1,7 @@
+```release-note:bug
+`resource/cloudavenue_vcd` - Fix bug to impossible to update a vcd resource without a resource vcd_group define.
+```
+
+```release-note:dependency
+deps: bumps github.com/orange-cloudavenue/cloudavenue-sdk-go from 0.1.2 to 0.1.3
+```
diff --git a/go.mod b/go.mod
index 5919c795..2e5560e7 100644
--- a/go.mod
+++ b/go.mod
@@ -17,7 +17,8 @@ require (
 	github.com/hashicorp/terraform-plugin-log v0.9.0
 	github.com/hashicorp/terraform-plugin-sdk/v2 v2.28.0
 	github.com/iancoleman/strcase v0.3.0
-	github.com/orange-cloudavenue/cloudavenue-sdk-go v0.1.2
+	github.com/kr/pretty v0.3.1
+	github.com/orange-cloudavenue/cloudavenue-sdk-go v0.1.3
 	github.com/rs/zerolog v1.30.0
 	github.com/vmware/go-vcloud-director/v2 v2.21.0
 	golang.org/x/exp v0.0.0-20230626212559-97b1e661b5df
@@ -57,7 +58,6 @@ require (
 	github.com/hashicorp/yamux v0.1.1 // indirect
 	github.com/huandu/xstrings v1.4.0 // indirect
 	github.com/imdario/mergo v0.3.15 // indirect
-	github.com/kr/pretty v0.3.1 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.18 // indirect
diff --git a/go.sum b/go.sum
index d4826c95..183f8fc0 100644
--- a/go.sum
+++ b/go.sum
@@ -167,8 +167,8 @@ github.com/mitchellh/reflectwalk v1.0.2 h1:G2LzWKi524PWgd3mLHV8Y5k7s6XUvT0Gef6zx
 github.com/mitchellh/reflectwalk v1.0.2/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/oklog/run v1.1.0 h1:GEenZ1cK0+q0+wsJew9qUg/DyD8k3JzYsZAi5gYi2mA=
 github.com/oklog/run v1.1.0/go.mod h1:sVPdnTZT1zYwAJeCMu2Th4T21pA3FPOQRfWjQlk7DVU=
-github.com/orange-cloudavenue/cloudavenue-sdk-go v0.1.2 h1:xyuYnnne38RHQqnFw1d5M9FllvlWN4qNQDKV1AQNGpI=
-github.com/orange-cloudavenue/cloudavenue-sdk-go v0.1.2/go.mod h1:bMSQ+EQ0CtwIca1J133sM9fc/4cAfLXN3r4TpnS0BDY=
+github.com/orange-cloudavenue/cloudavenue-sdk-go v0.1.3 h1:nnFO5vxf70gWZkPcM153LYwHA1fa+0QqtzH2t71AMFA=
+github.com/orange-cloudavenue/cloudavenue-sdk-go v0.1.3/go.mod h1:bMSQ+EQ0CtwIca1J133sM9fc/4cAfLXN3r4TpnS0BDY=
 github.com/peterhellberg/link v1.2.0 h1:UA5pg3Gp/E0F2WdX7GERiNrPQrM1K6CVJUUWfHa4t6c=
 github.com/peterhellberg/link v1.2.0/go.mod h1:gYfAh+oJgQu2SrZHg5hROVRQe1ICoK0/HHJTcE0edxc=
 github.com/pjbgf/sha1cd v0.3.0 h1:4D5XXmUUBUl/xQ6IjCkEAbqXskkq/4O7LmGn0AqMDs4=
diff --git a/internal/provider/vdc/vdc_resource.go b/internal/provider/vdc/vdc_resource.go
index 80662960..43262436 100644
--- a/internal/provider/vdc/vdc_resource.go
+++ b/internal/provider/vdc/vdc_resource.go
@@ -305,11 +305,14 @@ func (r *vdcResource) Read(ctx context.Context, req resource.ReadRequest, resp *
 
 // Update updates the resource and sets the updated Terraform state on success.
 func (r *vdcResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
-	var plan *vdcResourceModel
+	var (
+		plan  *vdcResourceModel
+		state *vdcResourceModel
+	)
 
 	// Read Terraform plan data into the model
 	resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
-
+	resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
 	if resp.Diagnostics.HasError() {
 		return
 	}
@@ -339,24 +342,9 @@ func (r *vdcResource) Update(ctx context.Context, req resource.UpdateRequest, re
 
 	var err error
 	var httpR *http.Response
-	// Get vDC info
-	vdc, httpR, err := r.client.APIClient.VDCApi.GetOrgVdcByName(auth, plan.Name.ValueString())
-	if httpR != nil {
-		defer func() {
-			err = errors.Join(err, httpR.Body.Close())
-		}()
-	}
-	var group string
-	// check if vdcGroup exists
-	if !plan.VDCGroup.IsNull() {
-		group = plan.VDCGroup.ValueString()
-	} else {
-		group = vdc.VdcGroup
-	}
 
 	// Convert from Terraform data model into API data model
 	body := apiclient.UpdateOrgVdcV2{
-		VdcGroup: group,
 		Vdc: &apiclient.OrgVdcV2{
 			Name:                   plan.Name.ValueString(),
 			Description:            plan.Description.ValueString(),
@@ -370,6 +358,10 @@ func (r *vdcResource) Update(ctx context.Context, req resource.UpdateRequest, re
 		},
 	}
 
+	if !state.VDCGroup.IsNull() {
+		body.VdcGroup = state.VDCGroup.ValueString()
+	}
+
 	// Iterate over the storage profiles and add them to the body.
 	for _, storageProfile := range plan.VDCStorageProfiles {
 		body.Vdc.VdcStorageProfiles = append(body.Vdc.VdcStorageProfiles, apiclient.VdcStorageProfilesV2{
@@ -386,7 +378,6 @@ func (r *vdcResource) Update(ctx context.Context, req resource.UpdateRequest, re
 
 	// Call API to update the resource and test for errors.
 	job, httpR, err = r.client.APIClient.VDCApi.UpdateOrgVdc(auth, body, body.Vdc.Name)
-
 	if httpR != nil {
 		defer func() {
 			err = errors.Join(err, httpR.Body.Close())