diff --git a/mongodbatlas/projects.go b/mongodbatlas/projects.go
index 4bccaddf..7a9cbf54 100644
--- a/mongodbatlas/projects.go
+++ b/mongodbatlas/projects.go
@@ -43,6 +43,7 @@ type ProjectsService interface {
 	GetOneProject(context.Context, string) (*Project, *Response, error)
 	GetOneProjectByName(context.Context, string) (*Project, *Response, error)
 	Create(context.Context, *Project, *CreateProjectOptions) (*Project, *Response, error)
+	Update(context.Context, string, *ProjectUpdateRequest) (*Project, *Response, error)
 	Delete(context.Context, string) (*Response, error)
 	GetProjectTeamsAssigned(context.Context, string) (*TeamsAssigned, *Response, error)
 	AddTeamsToProject(context.Context, string, []*ProjectTeam) (*TeamsAssigned, *Response, error)
@@ -106,6 +107,11 @@ type CreateProjectOptions struct {
 	ProjectOwnerID string `url:"projectOwnerId,omitempty"` // Unique 24-hexadecimal digit string that identifies the Atlas user account to be granted the Project Owner role on the specified project.
 }
 
+// ProjectUpdateRequest represents an update request used in ProjectsService.Update.
+type ProjectUpdateRequest struct {
+	Name string `json:"name"`
+}
+
 // GetAllProjects gets all project.
 //
 // See more: https://docs.atlas.mongodb.com/reference/api/project-get-all/
@@ -208,6 +214,33 @@ func (s *ProjectsServiceOp) Create(ctx context.Context, createRequest *Project,
 	return root, resp, err
 }
 
+// Update updates a project.
+//
+// https://www.mongodb.com/docs/atlas/reference/api-resources-spec/v2/#tag/Projects/operation/updateProject
+func (s *ProjectsServiceOp) Update(ctx context.Context, projectID string, updateRequest *ProjectUpdateRequest) (*Project, *Response, error) {
+	if updateRequest == nil {
+		return nil, nil, NewArgError("updateRequest", "cannot be nil")
+	}
+
+	if projectID == "" {
+		return nil, nil, NewArgError("projectID", "must be set")
+	}
+
+	basePath := fmt.Sprintf("%s/%s", projectBasePath, projectID)
+	req, err := s.Client.NewRequest(ctx, http.MethodPatch, basePath, updateRequest)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	root := new(Project)
+	resp, err := s.Client.Do(ctx, req, root)
+	if err != nil {
+		return nil, resp, err
+	}
+
+	return root, resp, err
+}
+
 // Delete deletes a project.
 //
 // See more: https://docs.atlas.mongodb.com/reference/api/project-delete-one/
diff --git a/mongodbatlas/projects_test.go b/mongodbatlas/projects_test.go
index a956cf8e..89c74bc1 100644
--- a/mongodbatlas/projects_test.go
+++ b/mongodbatlas/projects_test.go
@@ -247,6 +247,55 @@ func TestProject_Create(t *testing.T) {
 	}
 }
 
+func TestProject_Update(t *testing.T) {
+	client, mux, teardown := setup()
+	defer teardown()
+
+	projectID := "5a0a1e7e0f2912c554080adc"
+	updateRequest := &ProjectUpdateRequest{
+		Name: "test",
+	}
+
+	mux.HandleFunc(fmt.Sprintf("/api/atlas/v1.0/groups/%s", projectID), func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprint(w, `{
+			"clusterCount": 2,
+			"created": "2016-07-14T14:19:33Z",
+			"id": "5a0a1e7e0f2912c554080adc",
+			"links": [{
+				"href": "https://cloud.mongodb.com/api/atlas/v1.0/groups/5a0a1e7e0f2912c554080ae6",
+				"rel": "self"
+			}],
+			"name": "test",
+			"orgId": "5a0a1e7e0f2912c554080adc",
+			"withDefaultAlertsSettings": true
+		}`)
+	})
+
+	project, _, err := client.Projects.Update(ctx, projectID, updateRequest)
+	if err != nil {
+		t.Fatalf("Projects.Update returned error: %v", err)
+	}
+
+	expected := &Project{
+		ClusterCount: 2,
+		Created:      "2016-07-14T14:19:33Z",
+		ID:           projectID,
+		Links: []*Link{
+			{
+				Href: "https://cloud.mongodb.com/api/atlas/v1.0/groups/5a0a1e7e0f2912c554080ae6",
+				Rel:  "self",
+			},
+		},
+		Name:                      "test",
+		OrgID:                     "5a0a1e7e0f2912c554080adc",
+		WithDefaultAlertsSettings: pointer(true),
+	}
+
+	if diff := deep.Equal(project, expected); diff != nil {
+		t.Error(diff)
+	}
+}
+
 func TestProject_Create_without_opts(t *testing.T) {
 	client, mux, teardown := setup()
 	defer teardown()