diff --git a/src/retailtwin/__init__.py b/src/retailtwin/__init__.py
index e69de29..1185ddb 100644
--- a/src/retailtwin/__init__.py
+++ b/src/retailtwin/__init__.py
@@ -0,0 +1,8 @@
+"""
+`retailtwin` is a simple digital twin of a grocery store chain.
+
+Its goal is to showcase the key aspects in automation of enterprise
+transactional systems.
+"""
+
+__version__ = '0.0.1'
\ No newline at end of file