diff --git a/pyproject.toml b/pyproject.toml
index 4a8b46e..1d5d155 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -103,9 +103,7 @@ run = "python -m dump_things_service.main {args}"
 python = ["3.11", "3.12"]
 
 [tool.hatch.envs.tests]
-default-args = ["dump_things_service"]
 extra-dependencies = [
-    "dump_things_service",
     "freezegun",
     "httpx",
     "pytest",
@@ -114,7 +112,7 @@ extra-dependencies = [
 ]
 
 [tool.hatch.envs.tests.scripts]
-run = 'python -m pytest {args}'
+run = 'python -m pytest {args:dump_things_service/tests dump_things_service/backends/tests}'
 
 [tool.ruff]
 extend-exclude = [