diff --git a/.gitignore b/.gitignore
index cdfa971..43931e7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,4 @@ tests.data
 
 # Virtual environment
 venv/
+.venv*/
diff --git a/pyproject.toml b/pyproject.toml
index 0e32539..2e0e1e6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,14 +1,5 @@
 [tool.black]
 line-length = 88
-exclude = '''
-/(
-    \.git
-  | \.pytest_cache
-  | build
-  | dist
-  | venv
-)/
-'''
 
 [build-system]
 requires = ["flit"]
@@ -63,3 +54,6 @@ test = [
     "pytest~=4.0",
     "six",
 ]
+lint = [
+    "black",
+]