diff --git a/groups.go b/groups.go
index 2ec7c5066..23241f4a4 100644
--- a/groups.go
+++ b/groups.go
@@ -123,8 +123,9 @@ type LDAPGroupLink struct {
 //
 // GitLab API docs: https://docs.gitlab.com/ee/api/groups.html#saml-group-links
 type SAMLGroupLink struct {
-	Name        string           `json:"name"`
-	AccessLevel AccessLevelValue `json:"access_level"`
+	Name         string           `json:"name"`
+	AccessLevel  AccessLevelValue `json:"access_level"`
+	MemberRoleID int              `json:"member_role_id,omitempty"`
 }
 
 // ListGroupsOptions represents the available ListGroups() options.
diff --git a/groups_test.go b/groups_test.go
index 9087bc4ec..c272e0760 100644
--- a/groups_test.go
+++ b/groups_test.go
@@ -432,6 +432,38 @@ func TestListGroupSAMLLinks(t *testing.T) {
 	}
 }
 
+func TestListGroupSAMLLinksCustomRole(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/groups/1/saml_group_links",
+		func(w http.ResponseWriter, r *http.Request) {
+			testMethod(t, r, http.MethodGet)
+			fmt.Fprint(w, `[
+	{
+		"access_level":30,
+		"name":"gitlab_group_example_developer",
+		"member_role_id":123
+	}
+]`)
+		})
+
+	links, _, err := client.Groups.ListGroupSAMLLinks(1)
+	if err != nil {
+		t.Errorf("Groups.ListGroupSAMLLinks returned error: %v", err)
+	}
+
+	want := []*SAMLGroupLink{
+		{
+			AccessLevel:  DeveloperPermissions,
+			Name:         "gitlab_group_example_developer",
+			MemberRoleID: 123,
+		},
+	}
+	if !reflect.DeepEqual(want, links) {
+		t.Errorf("Groups.ListGroupSAMLLinks returned %+v, want %+v", links, want)
+	}
+}
+
 func TestGetGroupSAMLLink(t *testing.T) {
 	mux, client := setup(t)
 
@@ -459,6 +491,35 @@ func TestGetGroupSAMLLink(t *testing.T) {
 	}
 }
 
+func TestGetGroupSAMLLinkCustomRole(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/groups/1/saml_group_links/gitlab_group_example_developer",
+		func(w http.ResponseWriter, r *http.Request) {
+			testMethod(t, r, http.MethodGet)
+			fmt.Fprint(w, `
+{
+	"access_level":30,
+	"name":"gitlab_group_example_developer",
+	"member_role_id":123
+}`)
+		})
+
+	links, _, err := client.Groups.GetGroupSAMLLink(1, "gitlab_group_example_developer")
+	if err != nil {
+		t.Errorf("Groups.GetGroupSAMLLinks returned error: %v", err)
+	}
+
+	want := &SAMLGroupLink{
+		AccessLevel:  DeveloperPermissions,
+		Name:         "gitlab_group_example_developer",
+		MemberRoleID: 123,
+	}
+	if !reflect.DeepEqual(want, links) {
+		t.Errorf("Groups.GetGroupSAMLLink returned %+v, want %+v", links, want)
+	}
+}
+
 func TestAddGroupSAMLLink(t *testing.T) {
 	mux, client := setup(t)
 
@@ -491,6 +552,40 @@ func TestAddGroupSAMLLink(t *testing.T) {
 	}
 }
 
+func TestAddGroupSAMLLinkCustomRole(t *testing.T) {
+	mux, client := setup(t)
+
+	mux.HandleFunc("/api/v4/groups/1/saml_group_links",
+		func(w http.ResponseWriter, r *http.Request) {
+			testMethod(t, r, http.MethodPost)
+			fmt.Fprint(w, `
+{
+	"access_level":30,
+	"name":"gitlab_group_example_developer",
+	"member_role_id":123
+}`)
+		})
+
+	opt := &AddGroupSAMLLinkOptions{
+		SAMLGroupName: Ptr("gitlab_group_example_developer"),
+		AccessLevel:   Ptr(DeveloperPermissions),
+	}
+
+	link, _, err := client.Groups.AddGroupSAMLLink(1, opt)
+	if err != nil {
+		t.Errorf("Groups.AddGroupSAMLLink returned error: %v", err)
+	}
+
+	want := &SAMLGroupLink{
+		AccessLevel:  DeveloperPermissions,
+		Name:         "gitlab_group_example_developer",
+		MemberRoleID: 123,
+	}
+	if !reflect.DeepEqual(want, link) {
+		t.Errorf("Groups.AddGroupSAMLLink returned %+v, want %+v", link, want)
+	}
+}
+
 func TestRestoreGroup(t *testing.T) {
 	mux, client := setup(t)
 	mux.HandleFunc("/api/v4/groups/1/restore",