Index: dictdiffer-0.8.1/setup.py
===================================================================
--- dictdiffer-0.8.1.orig/setup.py
+++ dictdiffer-0.8.1/setup.py
@@ -28,7 +28,7 @@ tests_require = [
     'pytest-cov>=1.8.0',
     'pytest-pep8>=1.0.6',
     'pytest>=2.8.0',
-    'tox>=3.7.0',
+    'tox>=2.9.0',
 ]
 
 extras_require = {
@@ -50,7 +50,7 @@ for key, reqs in extras_require.items():
 
 setup_requires = [
     'pytest-runner>=2.7',
-    'setuptools_scm>=3.1.0',
+    'setuptools_scm>=1.15.0',
 ]
 
 packages = find_packages()