diff --git a/apps/desktop/package.json b/apps/desktop/package.json
index df8723051e..02db6eaaaa 100644
--- a/apps/desktop/package.json
+++ b/apps/desktop/package.json
@@ -3,7 +3,7 @@
     "productName": "Element",
     "main": "lib/electron-main.js",
     "exports": "./lib/electron-main.js",
-    "version": "1.12.20",
+    "version": "1.12.21-rc.0",
     "description": "Element: the future of secure communication",
     "author": {
         "name": "Element",
diff --git a/apps/web/package.json b/apps/web/package.json
index 0e6e1e70e3..9ce0b281f9 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -1,6 +1,6 @@
 {
     "name": "element-web",
-    "version": "1.12.20",
+    "version": "1.12.21-rc.0",
     "description": "Element: the future of secure communication",
     "author": "New Vector Ltd.",
     "repository": {