diff --git a/README.md b/README.md
index dcfd19258d..40899c74a5 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,7 @@ Pre-tested Configurations for Marlin Firmware. Links below…
 - **Release** branches will apply to most users. Select the branch for your version of Marlin.
   Version|File Tree|Download
   ---|---|---
+  2.1.2.1|([Browse](//github.com/MarlinFirmware/Configurations/tree/release-2.1.2.1))|([Download ZIP](//github.com/MarlinFirmware/Configurations/archive/refs/heads/release-2.1.2.1.zip))
   2.1.2|([Browse](//github.com/MarlinFirmware/Configurations/tree/release-2.1.2))|([Download ZIP](//github.com/MarlinFirmware/Configurations/archive/refs/heads/release-2.1.2.zip))
   2.1.1|([Browse](//github.com/MarlinFirmware/Configurations/tree/release-2.1.1))|([Download ZIP](//github.com/MarlinFirmware/Configurations/archive/refs/heads/release-2.1.1.zip))
   2.1|([Browse](//github.com/MarlinFirmware/Configurations/tree/release-2.1))|([Download ZIP](//github.com/MarlinFirmware/Configurations/archive/refs/heads/release-2.1.zip))