diff --git a/README.rst b/README.rst
index 9c974eb..db9aac5 100644
--- a/README.rst
+++ b/README.rst
@@ -3,7 +3,9 @@
 closeio
 =======
 
-Slim API wrapper to access close.io CRM
+Slim API wrapper to access close.io CRM.
+
+**This project is inactive since we are not using close.io any more. Don't hesitate to message us if you want to take over**
 
 .. |version| image:: https://img.shields.io/pypi/v/faster_closeio.svg
    :target: https://pypi.python.org/pypi/faster_closeio/
diff --git a/closeio/__init__.py b/closeio/__init__.py
index 52e1508..02e9f3e 100755
--- a/closeio/__init__.py
+++ b/closeio/__init__.py
@@ -1,4 +1,8 @@
+import warnings
+
 try:
     from .closeio import CloseIO, CloseIOError  # noqa
 except ImportError:
     pass
+
+warnings.warn('Important: faster_closeio is no longer maintained. Please use the official close.io library instead: https://pypi.org/project/closeio/', DeprecationWarning)
diff --git a/setup.cfg b/setup.cfg
index 0a8e56c..48afda0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -7,7 +7,7 @@ description-file = README.rst
 home-page = https://github.com/Thermondo/closeio
 license = Apache-2
 classifier =
-    Development Status :: 4 - Beta
+    Development Status :: 7 - Inactive
     Environment :: Web Environment
     Intended Audience :: Developers
     License :: OSI Approved :: Apache Software License