diff --git a/package.json b/package.json
index 48929acbba..c67da4220b 100644
--- a/package.json
+++ b/package.json
@@ -75,7 +75,7 @@
     "html-webpack-plugin": "5.6.7",
     "jsdom": "29.1.1",
     "less": "4.6.4",
-    "less-loader": "12.3.2",
+    "less-loader": "13.0.0",
     "mini-css-extract-plugin": "2.10.2",
     "prettier": "3.8.3",
     "prism-react-renderer": "2.4.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 2766043548..88c33e9ae4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -97,8 +97,8 @@ importers:
         specifier: 4.6.4
         version: 4.6.4
       less-loader:
-        specifier: 12.3.2
-        version: 12.3.2(less@4.6.4)(webpack@5.106.2)
+        specifier: 13.0.0
+        version: 13.0.0(less@4.6.4)(webpack@5.106.2)
       mini-css-extract-plugin:
         specifier: 2.10.2
         version: 2.10.2(webpack@5.106.2)
@@ -1244,6 +1244,9 @@ packages:
   '@types/json5@0.0.29':
     resolution: {integrity: sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==}
 
+  '@types/less@3.0.8':
+    resolution: {integrity: sha512-Gjm4+H9noDJgu5EdT3rUw5MhPBag46fiOy27BefvWkNL8mlZnKnCaVVVTLKj6RYXed9b62CPKnPav9govyQDzA==}
+
   '@types/mime@1.3.5':
     resolution: {integrity: sha512-/pyBZWSLD2n0dcHE3hq8s8ZvcETHtEuF+3E7XVt0Ig2nvsVQXdghHVcEkIWjy9A0wKfTn97a/PSDYohKIlnP/w==}
 
@@ -2792,9 +2795,9 @@ packages:
   launch-editor@2.13.2:
     resolution: {integrity: sha512-4VVDnbOpLXy/s8rdRCSXb+zfMeFR0WlJWpET1iA9CQdlZDfwyLjUuGQzXU4VeOoey6AicSAluWan7Etga6Kcmg==}
 
-  less-loader@12.3.2:
-    resolution: {integrity: sha512-uLV5c702ff2jBvO7qewpkLRzkh/I9QW07ur2NKkv8TVTrtX2lrKjEbEU/LLXAn7cgpCIBbkfyUm4qYXCQs5/+w==}
-    engines: {node: '>= 18.12.0'}
+  less-loader@13.0.0:
+    resolution: {integrity: sha512-TIa8d6znKH634Mg+7OU3jevZT6KeOhh0amW+YeMPD0GM9buUn5Y7HvtyCR5pUDdLaFfqLA8AX5PTSIHMNSexEA==}
+    engines: {node: '>= 22.11.0'}
     peerDependencies:
       '@rspack/core': 0.x || ^1.0.0 || ^2.0.0-0
       less: ^3.5.0 || ^4.0.0
@@ -5650,6 +5653,8 @@ snapshots:
 
   '@types/json5@0.0.29': {}
 
+  '@types/less@3.0.8': {}
+
   '@types/mime@1.3.5': {}
 
   '@types/node@25.8.0':
@@ -7430,8 +7435,9 @@ snapshots:
       picocolors: 1.1.1
       shell-quote: 1.8.3
 
-  less-loader@12.3.2(less@4.6.4)(webpack@5.106.2):
+  less-loader@13.0.0(less@4.6.4)(webpack@5.106.2):
     dependencies:
+      '@types/less': 3.0.8
       less: 4.6.4
     optionalDependencies:
       webpack: 5.106.2(postcss@8.5.14)(webpack-cli@7.0.2)