diff --git a/Makefile b/Makefile
index 28682c8e..7d325be8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,10 +1,10 @@
+# This `Makefile` is intended for Cowrie developers.
 
 # Dummy target `all`
 all:
 
 # Note --aplication-import-names only works on Python3
-test: 
-	flake8 --count --application-import-names cowrie --max-line-length=120 --statistics .
+test: lint
 	PYTHONPATH=src trial cowrie
 
 build:
@@ -12,3 +12,15 @@ build:
 
 docs:
 	make -C docs html
+
+lint:
+	flake8 --count --application-import-names cowrie --max-line-length=120 --statistics .
+
+clean:
+	rm -rf _trial_temp build dist
+
+pip-upgrade:
+	pip install --upgrade -r requirements.txt
+
+pip-check:
+	pip check