diff --git a/docusaurus.config.js b/docusaurus.config.js
index df068ef7..5f0ea3c8 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -106,7 +106,7 @@ const config = {
               banner: 'unreleased',
             },
             '1.21': {
-              label: '1.21.0-rc0',
+              label: '1.21.0-rc1',
             },
             '1.20': {
               label: '1.20.5'