diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8c759d0b90e..5688780851e 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,4 +1,4 @@
-lesscpy==0.14.0
+lesscpy==0.15.1
 Sphinx==3.5.3
 sphinx-autobuild==2021.3.14
 sphinx-rtd-theme==0.5.1