diff --git a/setup.py b/setup.py
index ae6b549d..b7c09f61 100644
--- a/setup.py
+++ b/setup.py
@@ -44,7 +44,9 @@ install_requires = [
     'python-dateutil >= 2.8.1, < 3',
     'python-potr < 1.1',
     'pyxdg < 0.30',
-    'sat_tmp == 0.9.*',
+    # during dev we get sat_tmp directly from the repository
+    # 'sat_tmp == 0.9.*',
+    'sat_tmp @ hg+https://repos.goffi.org/sat_tmp#egg=sat_tmp'
     'shortuuid < 1.1',
     'twisted[tls] >= 20.3.0, < 21.3.0',
     'treq < 23.0.0',