diff --git a/pyproject.toml b/pyproject.toml
index 0d18bec..d88cdd7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,7 +31,8 @@ packages = [
   { include = "tests", format = "sdist" },
 ]
 exclude = [
-  "depocs/**/tests"
+  "depocs/**/tests",
+  "tests"
 ]
 
 [tool.poetry.dependencies]