diff --git a/Makefile b/Makefile
index 8c1e25b8..d3822803 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 .PHONY: docs
 
 init:
-	pip install pipenv==3.1.9
+	pip install pipenv
 	pipenv lock
 	pipenv install --dev