diff --git a/jquery/collapsibleTabs.d.ts b/jquery/collapsibleTabs.d.ts
new file mode 100644
index 0000000..7fe542b
--- /dev/null
+++ b/jquery/collapsibleTabs.d.ts
@@ -0,0 +1,42 @@
+/**
+ * CollapsibleTabsPlugin used in MediaWiki vector skin
+ * Copied from https://gerrit.wikimedia.org/r/plugins/gitiles/mediawiki/skins/Vector/+/master/resources/CollapsibleTabsPlugin.d.ts
+ */
+
+declare global {
+	interface JQueryStatic {
+		collapsibleTabs: CollapsibleTabsStatic;
+	}
+	interface JQuery {
+		collapsibleTabs(options: Partial<CollapsibleTabsOptions>): void;
+	}
+}
+
+/** A jQuery plugin that makes collapsible tabs for the Vector skin. */
+interface CollapsibleTabsOptions {
+	/** Optional tab selector. Defaults to `#p-views ul`. */
+	expandedContainer: string;
+	/** Optional menu item selector. Defaults to `#p-cactions ul`. */
+	collapsedContainer: string;
+	/** Optional selector for tabs that are collapsible. Defaults to `li.collapsible`. */
+	collapsible: string;
+	shifting: boolean;
+	expandedWidth: number;
+	expandCondition(eleWidth: number): boolean;
+	collapseCondition(): boolean;
+}
+
+interface CollapsibleTabsStatic {
+	defaults: CollapsibleTabsOptions;
+	instances: JQuery[];
+	addData($collapsible: JQuery): void;
+	getSettings($collapsible: JQuery): CollapsibleTabsOptions;
+	handleResize(): void;
+	moveToCollapsed($moving: JQuery): void;
+	moveToExpanded($moving: JQuery): void;
+	calculateTabDistance(): number;
+}
+
+interface CollapsibleTabs extends CollapsibleTabsStatic, CollapsibleTabsOptions {}
+
+export {}
diff --git a/jquery/index.d.ts b/jquery/index.d.ts
index f66a58f..382e5e4 100644
--- a/jquery/index.d.ts
+++ b/jquery/index.d.ts
@@ -1,3 +1,4 @@
 import 'jquery';
 
 import './textSelection';
+import './collapsibleTabs';
diff --git a/package.json b/package.json
index 64257a0..36d3182 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "types-mediawiki",
-  "version": "0.5.1",
+  "version": "0.6.0",
   "description": "TypeScript definitions for MediaWiki JS interface",
   "types": "index.d.ts",
   "scripts": {