diff --git a/proposals/pyproject.toml b/proposals/pyproject.toml
index 0d32ab2..4f5875e 100644
--- a/proposals/pyproject.toml
+++ b/proposals/pyproject.toml
@@ -3,6 +3,7 @@ name = "proposals"
 version = "0.1.0"
 description = "A microservice for syncing proposals from duo to scicat"
 authors = ["AWI-7903 <awi-7903@psi.ch>"]
+package-mode = false
 
 [tool.poetry.dependencies]
 python = "^3.8"
@@ -21,4 +22,3 @@ profile = "black"
 [build-system]
 requires = ["poetry-core>=1.0.0"]
 build-backend = "poetry.core.masonry.api"
-package-mode = false