diff --git a/internal/services/compute/shared_image_gallery_resource.go b/internal/services/compute/shared_image_gallery_resource.go
index e3f0289327bd..b2b5308d2f3e 100644
--- a/internal/services/compute/shared_image_gallery_resource.go
+++ b/internal/services/compute/shared_image_gallery_resource.go
@@ -71,6 +71,8 @@ func resourceSharedImageGallery() *pluginsdk.Resource {
 							ForceNew: true,
 							ValidateFunc: validation.StringInSlice([]string{
 								string(galleries.GallerySharingPermissionTypesCommunity),
+								string(galleries.GallerySharingPermissionTypesGroups),
+								string(galleries.GallerySharingPermissionTypesPrivate),
 							}, false),
 						},
 
diff --git a/internal/services/compute/shared_image_gallery_resource_test.go b/internal/services/compute/shared_image_gallery_resource_test.go
index a3af428402d3..9dc421493781 100644
--- a/internal/services/compute/shared_image_gallery_resource_test.go
+++ b/internal/services/compute/shared_image_gallery_resource_test.go
@@ -111,6 +111,36 @@ func TestAccSharedImageGallery_communityGallery(t *testing.T) {
 	})
 }
 
+func TestAccSharedImageGallery_groupsGallery(t *testing.T) {
+	data := acceptance.BuildTestData(t, "azurerm_shared_image_gallery", "test")
+	r := SharedImageGalleryResource{}
+
+	data.ResourceTest(t, r, []acceptance.TestStep{
+		{
+			Config: r.groupsGallery(data),
+			Check: acceptance.ComposeTestCheckFunc(
+				check.That(data.ResourceName).ExistsInAzure(r),
+			),
+		},
+		data.ImportStep(),
+	})
+}
+
+func TestAccSharedImageGallery_privateGallery(t *testing.T) {
+	data := acceptance.BuildTestData(t, "azurerm_shared_image_gallery", "test")
+	r := SharedImageGalleryResource{}
+
+	data.ResourceTest(t, r, []acceptance.TestStep{
+		{
+			Config: r.privateGallery(data),
+			Check: acceptance.ComposeTestCheckFunc(
+				check.That(data.ResourceName).ExistsInAzure(r),
+			),
+		},
+		data.ImportStep(),
+	})
+}
+
 func (t SharedImageGalleryResource) Exists(ctx context.Context, clients *clients.Client, state *pluginsdk.InstanceState) (*bool, error) {
 	id, err := galleries.ParseGalleryID(state.ID)
 	if err != nil {
@@ -213,3 +243,49 @@ resource "azurerm_shared_image_gallery" "test" {
 }
 `, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
 }
+
+func (SharedImageGalleryResource) groupsGallery(data acceptance.TestData) string {
+	return fmt.Sprintf(`
+provider "azurerm" {
+  features {}
+}
+
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-%d"
+  location = "%s"
+}
+
+resource "azurerm_shared_image_gallery" "test" {
+  name                = "acctestsig%d"
+  resource_group_name = azurerm_resource_group.test.name
+  location            = azurerm_resource_group.test.location
+
+  sharing {
+    permission = "Groups"
+  }
+}
+`, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
+}
+
+func (SharedImageGalleryResource) privateGallery(data acceptance.TestData) string {
+	return fmt.Sprintf(`
+provider "azurerm" {
+  features {}
+}
+
+resource "azurerm_resource_group" "test" {
+  name     = "acctestRG-%d"
+  location = "%s"
+}
+
+resource "azurerm_shared_image_gallery" "test" {
+  name                = "acctestsig%d"
+  resource_group_name = azurerm_resource_group.test.name
+  location            = azurerm_resource_group.test.location
+
+  sharing {
+    permission = "Private"
+  }
+}
+`, data.RandomInteger, data.Locations.Primary, data.RandomInteger)
+}
diff --git a/website/docs/r/shared_image_gallery.html.markdown b/website/docs/r/shared_image_gallery.html.markdown
index a11d93deb059..eeb037b9ee80 100644
--- a/website/docs/r/shared_image_gallery.html.markdown
+++ b/website/docs/r/shared_image_gallery.html.markdown
@@ -52,7 +52,7 @@ The following arguments are supported:
 
 A `sharing` block supports the following:
 
-* `permission` - (Required) The permission of the Shared Image Gallery when sharing. The only possible value now is `Community`. Changing this forces a new resource to be created.
+* `permission` - (Required) The permission of the Shared Image Gallery when sharing. Possible values are `Community`, `Groups` and `Private`. Changing this forces a new resource to be created.
 
 -> **Note:** This requires that the Preview Feature `Microsoft.Compute/CommunityGalleries` is enabled, see [the documentation](https://learn.microsoft.com/azure/virtual-machines/share-gallery-community?tabs=cli) for more information.