diff --git a/composer.json b/composer.json
index d3b980e77..e21ebfb8a 100644
--- a/composer.json
+++ b/composer.json
@@ -163,7 +163,7 @@
         "symfony/postmark-mailer": "^6.3",
         "symfony/translation": "^6.3",
         "symfony/yaml": "^6.3",
-        "wikimedia/less.php": "^3.0"
+        "wikimedia/less.php": "^4.1"
     },
     "require-dev": {
         "mockery/mockery": "^1.5",
diff --git a/framework/core/composer.json b/framework/core/composer.json
index 3babc4d8e..9e5c30781 100644
--- a/framework/core/composer.json
+++ b/framework/core/composer.json
@@ -92,7 +92,7 @@
         "symfony/translation": "^6.3",
         "symfony/translation-contracts": "^2.5",
         "symfony/yaml": "^6.3",
-        "wikimedia/less.php": "^3.0"
+        "wikimedia/less.php": "^4.1"
     },
     "require-dev": {
         "flarum/testing": "^2.0",