diff --git a/requirements-dev.txt b/requirements-dev.txt
index eb164c67ce898d0d7887bd5b9408844d79da6c3f_cmVxdWlyZW1lbnRzLWRldi50eHQ=..3af136fdd6ac1f89d644f826816872a7f1bc24a4_cmVxdWlyZW1lbnRzLWRldi50eHQ= 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -2,7 +2,8 @@
 pytest >= 3.0; python_version != '3.3'
 pytest <  3.3; python_version == '3.3'
 pytest-cov >= 2.0.0
-freezegun
+freezegun < 0.3.11; python_version == '3.3'
+freezegun ; python_version != '3.3'
 hypothesis >= 3.30
 coverage
 mock ; python_version < '3.0'