diff --git a/global-requirements.txt b/global-requirements.txt
index c3a6264243..be46d5f58a 100644
--- a/global-requirements.txt
+++ b/global-requirements.txt
@@ -36,6 +36,7 @@ django-compressor  # MIT
 django-debreach  # BSD
 django-formtools  # BSD
 django-pyscss  # BSD License (2 clause)
+libsass  # MIT
 Django<4.3  # BSD
 # eventlet is not compatibile with 2.0.0: https://github.com/eventlet/eventlet/issues/619
 dnspython!=2.0.0,!=2.2.0  # http://www.dnspython.org/LICENSE
diff --git a/upper-constraints.txt b/upper-constraints.txt
index 202ae62ac1..9b09a47a7e 100644
--- a/upper-constraints.txt
+++ b/upper-constraints.txt
@@ -287,6 +287,7 @@ importlib-metadata===8.5.0;python_version>='3.10'
 oslo.middleware===6.3.0
 XStatic-mdi===1.6.50.2
 django-pyscss===2.0.3
+libsass===0.23.0
 uritemplate===4.1.1
 docutils===0.21.2
 threadpoolctl===3.5.0