diff --git a/.stylelintrc.json b/.stylelintrc.json
index 449f45bd6..3282735b8 100644
--- a/.stylelintrc.json
+++ b/.stylelintrc.json
@@ -1,7 +1,7 @@
 {
 	"extends": "stylelint-config-wikimedia",
 	"rules": {
-		"selector-no-id": null,
+		"selector-max-id": null,
 		"no-descending-specificity": null
 	}
 }
diff --git a/package.json b/package.json
index cc96c381e..f5b046c47 100644
--- a/package.json
+++ b/package.json
@@ -20,9 +20,9 @@
     "grunt": "1.0.1",
     "grunt-banana-checker": "0.6.0",
     "grunt-contrib-watch": "^1.0.0",
-    "grunt-eslint": "20.0.0",
+    "grunt-eslint": "20.1.0",
     "grunt-jsonlint": "1.1.0",
-    "grunt-stylelint": "0.8.0",
+    "grunt-stylelint": "0.9.0",
     "husky": "^0.13.3",
     "istanbul": "^0.4.5",
     "jsdoc": "^3.4.3",
@@ -30,8 +30,8 @@
     "nodemon": "^1.11.0",
     "redux": "3.6.0",
     "redux-thunk": "2.2.0",
-    "stylelint": "7.8.0",
-    "stylelint-config-wikimedia": "0.4.1",
+    "stylelint": "8.2.0",
+    "stylelint-config-wikimedia": "0.4.2",
     "tap-dot": "^1.0.5",
     "webpack": "^2.6.0"
   },
diff --git a/resources/ext.popups/styles/ext.popups.core.less b/resources/ext.popups/styles/ext.popups.core.less
index 9d4cc2af3..547f78331 100644
--- a/resources/ext.popups/styles/ext.popups.core.less
+++ b/resources/ext.popups/styles/ext.popups.core.less
@@ -125,7 +125,7 @@
 
 		/* Stylelint rule broken for vendor prefixes: https://github.com/stylelint/stylelint/issues/1939 */
 		/* stylelint-disable function-linear-gradient-no-nonstandard-direction */
-		&[dir='ltr']:after {
+		&[ dir='ltr' ]:after {
 			/* @noflip */
 			right: 0;
 			/* @noflip */
@@ -138,7 +138,7 @@
 			background-image: linear-gradient( to right, rgba( 255, 255, 255, 0 ), rgba( 255, 255, 255, 1 ) 50% );
 		}
 
-		&[dir='rtl']:after {
+		&[ dir='rtl' ]:after {
 			/* @noflip */
 			left: 0;
 			/* @noflip */