diff --git a/docs/changelog.rst b/docs/changelog.rst
index 5758617ec..67320e7fe 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -6,6 +6,7 @@ Changelog
   * Added automated tagging basted on keyword matching
   * Cleaned up the document listing page
   * Removed ``User`` and ``Group`` from the admin
+  * Added ``pytz`` to the list of requirements
 
 * 0.0.3
 
diff --git a/requirements.txt b/requirements.txt
index 8b2238ece..dd428411c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ django-extensions==1.6.1
 langdetect==1.0.5
 pyocr==0.3.1
 python-gnupg==0.3.8
+pytz==2015.7