diff --git a/requirements.txt b/requirements.txt
index 7e9f23e..cab4027 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,5 @@ MarkupSafe==0.18
 WTForms==1.0.4
 Werkzeug==0.9.3
 itsdangerous==0.22
-pypuppetdb==0.0.2
-pytz==2013b
+pypuppetdb==0.0.4
 requests==1.2.3