diff --git a/Pipfile b/Pipfile
index 81e20cec2d5fe246b4236dbf35bbb5bdcce3d158..596e41c81629a0612b04661e34a0d03f309ac033 100644
--- a/Pipfile
+++ b/Pipfile
@@ -8,7 +8,7 @@ name = "pypi"
 [packages]
 llbase = "*"
 certifi = "*"
-autobuild = {git = "https://git.alchemyviewer.org/alchemy/autobuild.git"}
+autobuild = {git = "https://git.alchemyviewer.org/alchemy/autobuild.git", editable = true, ref = "py3"}
 
 [requires]
-python_version = "2.7"
+python_version = "3.4"