diff --git a/lower-constraints.txt b/lower-constraints.txt
index 43eb5a3d36..656713424f 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -83,7 +83,7 @@ pymongo==3.0.2
 pyOpenSSL==19.1.0
 pyparsing==2.1.0
 pyperclip==1.5.27
-pyScss==1.3.7
+pyScss==1.4.0
 pytest==5.3.5
 pytest-django==3.8.0
 pytest-html==2.0.1
diff --git a/requirements.txt b/requirements.txt
index f1f2459937..9eabe2f25b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -29,7 +29,7 @@ oslo.upgradecheck>=1.5.0 # Apache-2.0
 oslo.utils>=4.12.0 # Apache-2.0
 osprofiler>=3.4.2 # Apache-2.0
 pymongo!=3.1,>=3.0.2 # Apache-2.0
-pyScss>=1.3.7 # MIT License
+pyScss>=1.4.0 # MIT License
 python-cinderclient>=8.0.0 # Apache-2.0
 python-glanceclient>=2.8.0 # Apache-2.0
 python-keystoneclient>=3.22.0 # Apache-2.0