--- a/dist/owl.carousel.js
+++ b/dist/owl.carousel.js
@@ -1014,4 +1014,4 @@
 	Owl.prototype.invalidate = function(part) {
-		if ($.type(part) === 'string') {
+		if (typeof part === 'string') {
 			this._invalidated[part] = true;
 			this.is('valid') && this.leave('valid');
@@ -1539,6 +1539,12 @@

 	/**
 	 * Triggers a public event.
+	 * jQuery 4.0 removed $.camelCase(); use a local replacement.
+	 */
+	function owlCamelCase(str) {
+		return str.replace(/-([a-z])/g, function(_, letter) { return letter.toUpperCase(); });
+	}
+	/**
 	 * @todo Remove `status`, `relatedTarget` should be used instead.
 	 * @protected
 	 * @param {String} name - The event name.
@@ -1552,7 +1558,7 @@
 	Owl.prototype.trigger = function(name, data, namespace, state, enter) {
 		var status = {
 			item: { count: this._items.length, index: this.current() }
-		}, handler = $.camelCase(
+		}, handler = owlCamelCase(
 			$.grep([ 'on', name, namespace ], function(v) { return v })
 				.join('-').toLowerCase()
 		), event = $.Event(