diff --git a/pyproject.toml b/pyproject.toml
index d1a41a1..3212a3d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,6 +24,7 @@ dependencies = [
 [[tool.uv.index]]
 name = "propeace"
 url = "https://git.propeace.de/api/packages/ProPeace/pypi/simple/"
+publish-url = "https://git.propeace.de/api/packages/ProPeace/pypi"
 explicit = true
 
 [tool.uv.sources]
diff --git a/src/adgroupsync/exceptions.py b/src/adgroupsync/exceptions.py
new file mode 100644
index 0000000..e69de29