diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..0a6bb29
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+requests~=2.24.0
+Flask~=1.1.2
+SQLAlchemy~=1.3.18
+setuptools~=49.2.0
+Werkzeug~=1.0.1
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..82e27f3
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,12 @@
+from setuptools import setup
+
+setup(
+    name='v25',
+    version='',
+    packages=['v25', 'v25.web', 'v25.web.client', 'v25.web.server', 'v25.storage', 'v25.messaging'],
+    url='',
+    license='',
+    author='',
+    author_email='',
+    description=''
+)
diff --git a/v25/storage/dbstorage.py b/v25/storage/dbstorage.py
index 71e5723..a938222 100644
--- a/v25/storage/dbstorage.py
+++ b/v25/storage/dbstorage.py
@@ -87,7 +87,7 @@ class DBStorage(AbstractStorage):
                 Msg.sf == subject.vkey.encode(),
                 Msg.st == subject.vkey.encode(),
             ))
-            query = query.with_entities(Msg.sf, Msg.st)
+            query = query.with_entities(Msg.sf, Msg.st).distinct()
             contacts = set()
             for sf, st in query:
                 contacts.add(sf)