diff --git a/sib-chat.js b/sib-chat.js
index d03731e44814c509a7025da4f1660846325ce577..036e9f2426c6624f0b9ff98c9c8c03c1eb9391fc 100644
--- a/sib-chat.js
+++ b/sib-chat.js
@@ -46,7 +46,7 @@ export const SibChat = {
       });
       this.element.shadowRoot.append(...Helpers.importCSS(
         'https://unpkg.com/converse.js@5.0/dist/converse.css',
-        'https://unpkg.com/@startinblox/component-chat@0.3/themes/converse-hd.css'
+        'https://unpkg.com/@startinblox/component-chat@0.4/themes/converse-hd.css'
       ));
       if (window.converse_sib === undefined) {
         this.initializeConverse();