diff --git a/docs/en/docs/js/chat.js b/docs/en/docs/js/chat.js
new file mode 100644
index 000000000..debdef4da
--- /dev/null
+++ b/docs/en/docs/js/chat.js
@@ -0,0 +1,3 @@
+((window.gitter = {}).chat = {}).options = {
+    room: 'tiangolo/fastapi'
+};
diff --git a/docs/en/mkdocs.yml b/docs/en/mkdocs.yml
index eb3b54e94..6fbaf960c 100644
--- a/docs/en/mkdocs.yml
+++ b/docs/en/mkdocs.yml
@@ -145,3 +145,5 @@ extra_javascript:
 - https://unpkg.com/mermaid@8.4.6/dist/mermaid.min.js
 - js/termynal.js
 - js/custom.js
+- js/chat.js
+- https://sidecar.gitter.im/dist/sidecar.v1.js