diff --git a/package-lock.json b/package-lock.json
index 6988dd5..1152d0a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,7 +13,7 @@
         "eslint": "9.18.0",
         "jest": "29.7.0",
         "jsonlint-newline-fork": "1.6.8",
-        "less": "4.2.0",
+        "less": "4.2.1",
         "markdownlint": "0.37.3",
         "markdownlint-cli2": "0.17.1",
         "neostandard": "0.11.5",
@@ -5736,10 +5736,11 @@
       "license": "MIT"
     },
     "node_modules/less": {
-      "version": "4.2.0",
-      "resolved": "https://registry.npmjs.org/less/-/less-4.2.0.tgz",
-      "integrity": "sha512-P3b3HJDBtSzsXUl0im2L7gTO5Ubg8mEN6G8qoTS77iXxXX4Hvu4Qj540PZDvQ8V6DmX6iXo98k7Md0Cm1PrLaA==",
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/less/-/less-4.2.1.tgz",
+      "integrity": "sha512-CasaJidTIhWmjcqv0Uj5vccMI7pJgfD9lMkKtlnTHAdJdYK/7l8pM9tumLyJ0zhbD4KJLo/YvTj+xznQd5NBhg==",
       "dev": true,
+      "license": "Apache-2.0",
       "dependencies": {
         "copy-anything": "^2.0.1",
         "parse-node-version": "^1.0.1",
@@ -5766,6 +5767,7 @@
       "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
       "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
       "dev": true,
+      "license": "MIT",
       "optional": true,
       "dependencies": {
         "pify": "^4.0.1",
@@ -5780,6 +5782,7 @@
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.2.tgz",
       "integrity": "sha512-cBznnQ9KjJqU67B52RMC65CMarK2600WFnbkcaiwWq3xy/5haFJlshgnpjovMVJ+Hff49d8GEn0b87C5pDQ10g==",
       "dev": true,
+      "license": "ISC",
       "optional": true,
       "bin": {
         "semver": "bin/semver"
diff --git a/package.json b/package.json
index 318616a..8dfd868 100644
--- a/package.json
+++ b/package.json
@@ -41,7 +41,7 @@
     "eslint": "9.18.0",
     "jest": "29.7.0",
     "jsonlint-newline-fork": "1.6.8",
-    "less": "4.2.0",
+    "less": "4.2.1",
     "markdownlint": "0.37.3",
     "markdownlint-cli2": "0.17.1",
     "neostandard": "0.11.5",