diff --git a/requirements.txt b/requirements.txt
index 869337b..d96c8d8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,3 +2,4 @@ GDAL==1.11.0
 elasticsearch==1.1.1
 gsutil==4.4
 requests==2.3.0
+python-dateutil==2.2
diff --git a/setup.py b/setup.py
index 488a810..80c677e 100644
--- a/setup.py
+++ b/setup.py
@@ -54,6 +54,7 @@ setup(name="landsat",
           "GDAL==1.11.0",
           "elasticsearch==1.1.1",
           "gsutil==4.4",
-          "requests==2.3.0"
+          "requests==2.3.0",
+          "python-dateutil==2.2"
       ],
       )