2 files changed, 5 insertions, 3 deletions
diff --git a/Makefile b/Makefile
index d4ec061..5e2bab1 100644
--- a/Makefile
+++ b/Makefile
@@ -16,8 +16,9 @@ data/release_export_expanded.json.gz: ## Download release export
 	mkdir -p data
 	wget -c https://archive.org/download/fatcat_bulk_exports_2020-08-05/release_export_expanded.json.gz -O $@
 
-.PHONY: black
-black: ## Format all Python files
+.PHONY: style
+style: ## Apply import sorting and black source formatting on all files
+	isort -c --atomic .
 	find . -name "*.py" -exec black {} \;
 
 .PHONY: dist
diff --git a/setup.py b/setup.py
index f3723ef..4ceb6e8 100644
--- a/setup.py
+++ b/setup.py
@@ -1,4 +1,5 @@
 import setuptools
+
 from fuzzycat import __version__
 
 with open("README.md", "r") as fh:
@@ -23,5 +24,5 @@ with open("README.md", "r") as fh:
         zip_safe=False,
         entry_points={"console_scripts": ["fuzzycat=fuzzycat.main:main",],},
         install_requires=[],
-        extras_require={"dev": ["black", "twine"],},
+        extras_require={"dev": ["black", "twine", "isort"],},
     )