diff --git a/README.md b/README.md
index 23a271e03..ffbb256e8 100644
--- a/README.md
+++ b/README.md
@@ -144,6 +144,11 @@ Licensed under the Apache License, Version 2.0 (the "License"); you may not use
 
 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
 
+## Project Status
+
+This repository is under active development.
+
+
 [docs-main-image]: https://img.shields.io/badge/docs-main-blue?logo=googledocs&logoColor=white
 [docs-main-link]: https://informalsystems.github.io/malachite/
 [build-image]: https://github.com/circlefin/malachite/actions/workflows/rust.yml/badge.svg