diff --git a/lower-constraints.txt b/lower-constraints.txt
index f61ff2df..95ea5928 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -78,7 +78,7 @@ pymongo==3.0.2
 pyOpenSSL==17.1.0
 pyparsing==2.1.0
 pyperclip==1.5.27
-pyScss==1.3.4
+pyScss==1.3.7
 python-dateutil==2.5.3
 python-designateclient==2.7.0
 python-glanceclient==2.8.0