diff --git a/requirements.txt b/requirements.txt
index 3ee4fd581c..44481e50dc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 fixtures>=3.0.0 # Apache-2.0/BSD
-Parsley # MIT
+Parsley>=1.2 # MIT
 six>=1.9.0 # MIT
 packaging>=16.5 # Apache-2.0
 requests>=2.14.2 # Apache-2.0