diff --git a/setup.py b/setup.py
index fe7fa9a4f..055bc7198 100644
--- a/setup.py
+++ b/setup.py
@@ -76,7 +76,7 @@ setup(
         # Do not use a range operator here: https://bitbucket.org/pypa/setuptools/issues/380
         # Ubuntu Trusty and other still ship with setuptools < 17.1
         ':python_version == "2.7"': [
-            "enum34>=1.1.2, <1.2",
+            "enum34>=1.0.4, <1.2",
         ],
         'dev': [
             "mock>=1.3.0, <1.4",