diff --git a/gluon.json b/gluon.json
index 3d66d6145..6732557d8 100644
--- a/gluon.json
+++ b/gluon.json
@@ -29,7 +29,7 @@
       "brandShortName": "Zen Browser",
       "brandFullName": "Zen Browser",
       "release": {
-        "displayVersion": "1.0.0-a.20",
+        "displayVersion": "1.0.0-a.21",
         "github": {
           "repo": "zen-browser/desktop"
         },