diff --git a/Gruntfile.js b/Gruntfile.js
index 1f6b2f9..ace1270 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -142,9 +142,21 @@ module.exports = function (grunt) {
     grunt.loadNpmTasks('grunt-markdownlint');
     grunt.loadNpmTasks('grunt-phpstan');
     grunt.loadNpmTasks('grunt-githooks');
+    grunt.loadNpmTasks('grunt-changed');
 
     grunt.registerTask('default', ['cssmin', 'potomo', 'phpdocumentor']);
-    grunt.registerTask('lint', ['csslint', 'jslint', 'fixpack', 'jsonlint', 'markdownlint', 'phpcs', 'phpstan']);
+    grunt.registerTask(
+        'lint',
+        [
+            'csslint',
+            'jslint',
+            'fixpack',
+            'jsonlint',
+            'markdownlint',
+            'changed:phpcs',
+            'changed:phpstan'
+        ]
+    );
     grunt.registerTask('test', ['phpunit']);
     grunt.registerTask('release', ['default', 'githash', 'compress']);
 };
diff --git a/package.json b/package.json
index 28f1882..6d9ae54 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
     "open-sans-fontface": "~1.4.0"
   },
   "devDependencies": {
+    "grunt-changed": "^3.0.0",
     "grunt-contrib-compress": "~1.5.0",
     "grunt-contrib-csslint": "~2.0.0",
     "grunt-contrib-watch": "~1.1.0",
diff --git a/yarn.lock b/yarn.lock
index d4400e8..f87552a 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -133,6 +133,11 @@ async@^2.0.0, async@^2.6.0:
   dependencies:
     lodash "^4.17.14"
 
+async@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.1.0.tgz#42b3b12ae1b74927b5217d8c0016baaf62463772"
+  integrity sha512-4vx/aaY6j/j3Lw3fbCHNWP0pPaTCew3F6F3hYyl/tHs/ndmV1q7NW9T5yuJ2XAGwdQrP+6Wu20x06U4APo/iQQ==
+
 async@~0.2.6:
   version "0.2.10"
   resolved "https://registry.yarnpkg.com/async/-/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
@@ -757,6 +762,15 @@ graceful-fs@^4.1.0, graceful-fs@^4.1.2:
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.2.0.tgz#8d8fdc73977cb04104721cb53666c1ca64cd328b"
   integrity sha512-jpSvDPV4Cq/bgtpndIWbI5hmYxhQGHPC4d4cqBPb4DLniCfhJokdXhwhaDuLBGLQdvvRum/UiX6ECVIPvDXqdg==
 
+grunt-changed@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/grunt-changed/-/grunt-changed-3.0.0.tgz#7679d4b8437170cb98edf009f970b18f9969230e"
+  integrity sha512-Eyrc7w/BVSyZw7q2S2voWBw/Iub58ZuWpC8i+EnsVIIPx61dDqX1aZMvtaMrP9NuIuSHSoOLN31nL06+5cB7sQ==
+  dependencies:
+    async "^3.1.0"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.1"
+
 grunt-cli@~1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/grunt-cli/-/grunt-cli-1.2.0.tgz#562b119ebb069ddb464ace2845501be97b35b6a8"
@@ -1734,6 +1748,13 @@ rimraf@2, rimraf@~2.6.2:
   dependencies:
     glob "^7.1.3"
 
+rimraf@^2.5.1:
+  version "2.7.1"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.7.1.tgz#35797f13a7fdadc566142c29d4f07ccad483e3ec"
+  integrity sha512-uWjbaKIK3T1OSVptzX7Nl6PvQ3qAGtKEtVRjRuazjfL3Bx5eI409VZSqgND+4UNnmzLVdPj9FqFJNPqBZFve4w==
+  dependencies:
+    glob "^7.1.3"
+
 safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.1, safe-buffer@^5.1.2:
   version "5.2.0"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.0.tgz#b74daec49b1148f88c64b68d49b1e815c1f2f519"