diff --git a/src/notes_linter/pyproject.toml b/src/notes_linter/pyproject.toml
index cf99417..047ca36 100644
--- a/src/notes_linter/pyproject.toml
+++ b/src/notes_linter/pyproject.toml
@@ -12,6 +12,10 @@ click = "8.1.7"
 doogat-core = {version = "0.1.3a4", source = "test-pypi"}
 # doogat-core = {path = "../../../../doogat/doogat-core", develop = true}
 
+[[tool.poetry.source]]
+name = "test-pypi"
+url = "https://test.pypi.org/simple/"
+priority = "explicit"
 
 [build-system]
 requires = ["poetry-core", "pynvim"]