diff --git a/bindep.txt b/bindep.txt
index da92738b2c..c25223fc92 100644
--- a/bindep.txt
+++ b/bindep.txt
@@ -1,3 +1,5 @@
+libpcre3-dev [platform:dpkg]
+pcre-devel [platform:redhat]
 # selenium tests
 firefox [selenium]
 xvfb [selenium platform:dpkg]
diff --git a/lower-constraints.txt b/lower-constraints.txt
index e072e5b9b1..17fa93861c 100644
--- a/lower-constraints.txt
+++ b/lower-constraints.txt
@@ -20,7 +20,7 @@ Django==2.2
 django-appconf==1.0.2
 django-compressor==2.0
 django-debreach==1.4.2
-django-pyscss==2.0.2
+django-pyscss2==3.0.0
 docutils==0.11
 dogpile.cache==0.6.2
 dulwich==0.15.0
@@ -89,7 +89,7 @@ pymongo==3.0.2
 pyOpenSSL==17.1.0
 pyparsing==2.1.0
 pyperclip==1.5.27
-pyScss==1.3.4
+pyScss2==1.4.0
 python-cinderclient==5.0.0
 python-dateutil==2.5.3
 python-glanceclient==2.8.0
diff --git a/requirements.txt b/requirements.txt
index 00fbb05baa..9c8a090022 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ debtcollector>=1.2.0 # Apache-2.0
 Django>=2.2,<3.0 # BSD
 django-compressor>=2.0 # MIT
 django-debreach>=1.4.2 # BSD License (2 clause)
-django-pyscss>=2.0.2 # BSD License (2 clause)
+django-pyscss2>=3.0.0 # BSD License (2 clause)
 futurist>=1.2.0 # Apache-2.0
 iso8601>=0.1.11 # MIT
 keystoneauth1>=3.4.0 # Apache-2.0
@@ -29,7 +29,7 @@ oslo.upgradecheck>=0.1.1 # Apache-2.0
 oslo.utils>=3.33.0 # Apache-2.0
 osprofiler>=2.3.0 # Apache-2.0
 pymongo!=3.1,>=3.0.2 # Apache-2.0
-pyScss!=1.3.5,>=1.3.4 # MIT License
+pyScss2>=1.4.0 # MIT License
 python-cinderclient>=5.0.0 # Apache-2.0
 python-glanceclient>=2.8.0 # Apache-2.0
 python-keystoneclient>=3.22.0 # Apache-2.0