diff --git a/setup.py b/setup.py
index fbd9aef..c7cf0ee 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ setup(
         "Flask >= 0.10.1",
         "Flask-WTF >= 0.9.4, <= 0.9.5",
         "WTForms < 2.0",
-        "pypuppetdb < 0.2.0",
+        "pypuppetdb >= 0.1.0, < 0.2.0",
         ],
     keywords="puppet puppetdb puppetboard",
     classifiers=[