diff --git a/package.json b/package.json
index a31321e..dce99cc 100644
--- a/package.json
+++ b/package.json
@@ -97,7 +97,7 @@
     "jquery": "^3",
     "jsdoc-x": "^4",
     "jsdom": "^24",
-    "less": "^4",
+    "less": "^4.4.2",
     "less-plugin-clean-css": "^1",
     "lodash": "^4",
     "marked": "^7",
diff --git a/yarn.lock b/yarn.lock
index 8c0a984..55f289b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2781,10 +2781,10 @@ less-plugin-clean-css@^1:
   dependencies:
     clean-css "^3.0.1"
 
-less@^4:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/less/-/less-4.2.0.tgz#cbefbfaa14a4cd388e2099b2b51f956e1465c450"
-  integrity sha512-P3b3HJDBtSzsXUl0im2L7gTO5Ubg8mEN6G8qoTS77iXxXX4Hvu4Qj540PZDvQ8V6DmX6iXo98k7Md0Cm1PrLaA==
+less@^4.4.2:
+  version "4.5.1"
+  resolved "https://registry.yarnpkg.com/less/-/less-4.5.1.tgz#739266532249a3de232e8b60ffb1b27ad5ec6ad8"
+  integrity sha512-UKgI3/KON4u6ngSsnDADsUERqhZknsVZbnuzlRZXLQCmfC/MDld42fTydUE9B+Mla1AL6SJ/Pp6SlEFi/AVGfw==
   dependencies:
     copy-anything "^2.0.1"
     parse-node-version "^1.0.1"