diff --git a/Gruntfile.js b/Gruntfile.js
index 251008a..a5ab4ae 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -112,7 +112,7 @@ module.exports = function(grunt) {
         // ECMAScript
         'newer:eslint:frontend',
         // CSS
-        'newer:csslint:frontend',
+        'newer:lesslint:frontend',
         // HTML.
         'newer:htmllint'
     ]);
diff --git a/grunt-config/csslint.js b/grunt-config/csslint.js
deleted file mode 100644
index aea1692..0000000
--- a/grunt-config/csslint.js
+++ /dev/null
@@ -1,10 +0,0 @@
-'use strict';
-
-module.exports = {
-    frontend: {
-        options: {
-            import: 2
-        },
-        src: ['<%= accountant.frontend.src %>/css/*.css']
-    }
-};
diff --git a/grunt-config/lesslint.js b/grunt-config/lesslint.js
new file mode 100644
index 0000000..59a08da
--- /dev/null
+++ b/grunt-config/lesslint.js
@@ -0,0 +1,7 @@
+'use strict';
+
+module.exports = {
+    frontend: {
+        src: ['<%= accountant.frontend.src %>/css/*.less']
+    }
+};
diff --git a/package.json b/package.json
index 456a8bb..979a075 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
     "grunt-htmllint": "^0.2.7",
     "grunt-include-source": "~1.0",
     "grunt-jsonlint": "^1.1.0",
+    "grunt-lesslint": "^3.2.0",
     "grunt-newer": "~1.1",
     "grunt-ng-annotate": "~2.0",
     "grunt-shell": "~2.0",