diff --git a/project.clj b/project.clj
index 9867fad7f2202efaafb63ffa1f600a6f77673ad0..f52783d0cfeaf2fcc45818fdd0422926b5594608 100644
--- a/project.clj
+++ b/project.clj
@@ -1,4 +1,4 @@
-(defproject python/lein-template "1.4.0"
+(defproject python/lein-template "1.4.1"
   :description "lein template for a python project"
   :repositories [["snapshots"
                   {:url "http://devserv.game.yy.com/nexus/content/repositories/snapshots"
diff --git a/src/leiningen/new/python/Makefile b/src/leiningen/new/python/Makefile
index fdfac18c9b8b3ebce23fd2d58a6aa787dc7a1e7b..654b97f8d8d99b6f3787633ecc19c33dc8a7a56e 100644
--- a/src/leiningen/new/python/Makefile
+++ b/src/leiningen/new/python/Makefile
@@ -37,7 +37,7 @@ venv:
 	test -d $(VENV) || $(DEFAULT_PYTHON) $(VIRTUALENV) --no-download -q $(VENV)
 requirements:
 	@if [ -d wheelhouse ]; then \
-		$(PIP) install -q --no-index --find-links=wheelhouse $(REQUIREMENTS); \
+		$(PIP) install -q --isolated --no-index --find-links=wheelhouse $(REQUIREMENTS); \
 	else \
 		$(PIP) install -q $(REQUIREMENTS); \
 	fi