diff --git a/package.json b/package.json
index 0df5ae93f3..29c85b55a6 100644
--- a/package.json
+++ b/package.json
@@ -76,7 +76,7 @@
     "jest": "29.7.0",
     "jest-environment-jsdom": "29.7.0",
     "less": "4.2.0",
-    "less-loader": "11.1.4",
+    "less-loader": "12.2.0",
     "mini-css-extract-plugin": "2.9.1",
     "npm-run-all": "4.1.5",
     "prettier": "3.3.3",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index de5c8a4eeb..12b55898b9 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -97,8 +97,8 @@ importers:
         specifier: 4.2.0
         version: 4.2.0
       less-loader:
-        specifier: 11.1.4
-        version: 11.1.4(less@4.2.0)(webpack@5.94.0(webpack-cli@5.1.4))
+        specifier: 12.2.0
+        version: 12.2.0(less@4.2.0)(webpack@5.94.0(webpack-cli@5.1.4))
       mini-css-extract-plugin:
         specifier: 2.9.1
         version: 2.9.1(webpack@5.94.0(webpack-cli@5.1.4))
@@ -2955,12 +2955,18 @@ packages:
   launch-editor@2.9.1:
     resolution: {integrity: sha512-Gcnl4Bd+hRO9P9icCP/RVVT2o8SFlPXofuCxvA2SaZuH45whSvf5p8x5oih5ftLiVhEI4sp5xDY+R+b3zJBh5w==}
 
-  less-loader@11.1.4:
-    resolution: {integrity: sha512-6/GrYaB6QcW6Vj+/9ZPgKKs6G10YZai/l/eJ4SLwbzqNTBsAqt5hSLVF47TgsiBxV1P6eAU0GYRH3YRuQU9V3A==}
-    engines: {node: '>= 14.15.0'}
+  less-loader@12.2.0:
+    resolution: {integrity: sha512-MYUxjSQSBUQmowc0l5nPieOYwMzGPUaTzB6inNW/bdPEG9zOL3eAAD1Qw5ZxSPk7we5dMojHwNODYMV1hq4EVg==}
+    engines: {node: '>= 18.12.0'}
     peerDependencies:
+      '@rspack/core': 0.x || 1.x
       less: ^3.5.0 || ^4.0.0
       webpack: ^5.0.0
+    peerDependenciesMeta:
+      '@rspack/core':
+        optional: true
+      webpack:
+        optional: true
 
   less@4.2.0:
     resolution: {integrity: sha512-P3b3HJDBtSzsXUl0im2L7gTO5Ubg8mEN6G8qoTS77iXxXX4Hvu4Qj540PZDvQ8V6DmX6iXo98k7Md0Cm1PrLaA==}
@@ -8106,9 +8112,10 @@ snapshots:
       picocolors: 1.1.0
       shell-quote: 1.8.1
 
-  less-loader@11.1.4(less@4.2.0)(webpack@5.94.0(webpack-cli@5.1.4)):
+  less-loader@12.2.0(less@4.2.0)(webpack@5.94.0(webpack-cli@5.1.4)):
     dependencies:
       less: 4.2.0
+    optionalDependencies:
       webpack: 5.94.0(webpack-cli@5.1.4)
 
   less@4.2.0: