diff --git a/var/spack/repos/builtin/packages/py-git-review/package.py b/var/spack/repos/builtin/packages/py-git-review/package.py
index 5be8c82c75..e4b2c7222c 100644
--- a/var/spack/repos/builtin/packages/py-git-review/package.py
+++ b/var/spack/repos/builtin/packages/py-git-review/package.py
@@ -12,14 +12,18 @@ class PyGitReview(PythonPackage):
     homepage = "http://docs.openstack.org/infra/git-review"
     pypi = "git-review/git-review-1.25.0.tar.gz"
 
+    version('2.1.0',  sha256='3a6c775645b1fa8c40c49fbfce6f8d7e225a1e797a0aa92912607b1d97e61ed6')
+    version('2.0.0',  sha256='6e6c86b61334526c5c0f200fdf61957310b0c32208339a38c890db7fe0de5452')
     version('1.28.0', sha256='8e3aabb7b9484063e49c2504d137609401e32ad5128ff2a5cf43e98d5d3dc15a')
+    version('1.27.0', sha256='7a30afdd3c62e1ef69ebda3f22c17efccd1a0a89c761b9b0d301108a11a37476')
     version('1.26.0', sha256='487c3c1d7cc81d02b303a1245e432579f683695c827ad454685b3953f70f0b94')
     version('1.25.0', sha256='087e0a7dc2415796a9f21c484a6f652c5410e6ba4562c36291c5399f9395a11d')
 
-    extends('python')
-
+    depends_on('python@3.5:',      type=('build', 'run'), when='@2:')
     depends_on('py-setuptools',    type=('build'))
-    depends_on('py-pbr',           type=('build', 'run'))
+    depends_on('py-pbr',           type=('build'))
+    depends_on('py-pbr@4.1.0:',    type=('build'),        when='@2:')
+    depends_on('py-six',           type=('build', 'run'), when='@1.28.0')
     depends_on('py-requests@1.1:', type=('build', 'run'))
     depends_on('git',              type=('run'))