diff --git a/Makefile b/Makefile
index 9c84f88..85aa451 100644
--- a/Makefile
+++ b/Makefile
@@ -38,9 +38,10 @@ update:
 # ensure this passes before commiting
 check:
 	$(BIN)/black --check tests/
+	$(BIN)/isort --check-only --recursive tests/
 
 # automatic code fixes
-fix: black
+fix: black isort
 
 black:
 	$(BIN)/black tests/
diff --git a/README.md b/README.md
index e3e366a..d99406c 100644
--- a/README.md
+++ b/README.md
@@ -39,13 +39,11 @@ pytest --sim tests/standard
 
 # Contributing
 
-We use `black` to prevent code formatting discussions.
+We use `black` and `isort` to prevent code formatting discussions.
 
 The `make venv` setup method installs git pre-commit hooks that check conformance automatically.
 
-You can also `make check` and `make fix` manually, or use an editor plugin.
-
-Additionally, please run `make isort` before committing.
+You can also `make check` and `make fix` manually, or use an editor plugins.
 
 # License