diff --git a/Makefile b/Makefile
index 317a7c76..231ce357 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .PHONY: docs
 init:
 	pip install pipenv --upgrade
-	pipenv install --dev --skip-lock
+	pipenv install --dev
 test:
 	# This runs all of the tests, on both Python 2 and Python 3.
 	detox