diff --git a/Makefile b/Makefile
index 399ac942..dd2c2695 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ develop: update-submodules setup-git
 	pip install "setuptools>=0.9.8"
 	# order matters here, base package must install first
 	# this is temporary until the version we need is released
-	pip install -e git+https://git@github.com/pyca/cryptography.git@1.0.dev1#egg=cryptography-1.0.dev1
+	pip install -e 'git+https://git@github.com/pyca/cryptography.git#egg=cryptography-1.0.dev1'
 	pip install -e .
 	pip install "file://`pwd`#egg=lemur[dev]"
 	pip install "file://`pwd`#egg=lemur[tests]"