diff --git a/pkgs/clan-cli/default.nix b/pkgs/clan-cli/default.nix
index feee2d82..b1bde572 100644
--- a/pkgs/clan-cli/default.nix
+++ b/pkgs/clan-cli/default.nix
@@ -9,6 +9,7 @@
 , pytest
 , pytest-cov
 , pytest-subprocess
+, pytest-parallel
 , python3
 , runCommand
 , self
@@ -36,6 +37,7 @@ let
     pytest
     pytest-cov
     pytest-subprocess
+    pytest-parallel
     openssh
     stdenv.cc
   ];
diff --git a/pkgs/clan-cli/pyproject.toml b/pkgs/clan-cli/pyproject.toml
index 1892ad69..fcaad7d7 100644
--- a/pkgs/clan-cli/pyproject.toml
+++ b/pkgs/clan-cli/pyproject.toml
@@ -15,7 +15,7 @@ exclude = ["clan_cli.nixpkgs*"]
 clan_cli = [ "config/jsonschema/*", "webui/assets/**/*"]
 
 [tool.pytest.ini_options]
-addopts = "--cov . --cov-report term --cov-report html:.reports/html --no-cov-on-fail"
+addopts = "--cov . --cov-report term --cov-report html:.reports/html --no-cov-on-fail --workers auto"
 norecursedirs = "tests/helpers"
 
 [tool.mypy]