diff --git a/requirements.txt b/requirements.txt
index f2b802c..9ad9c02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,5 @@
 lxml >= 3.5.0, < 4
+zeep
 nose
 mock
 coveralls
@@ -14,5 +15,4 @@ cryptography >= 1.8, < 3
 pyOpenSSL >= 16.0.0, < 17
 certifi >= 2015.11.20.1
 reportlab
-pytz
-zeep
\ No newline at end of file
+pytz
\ No newline at end of file