diff --git a/Makefile b/Makefile
index 39a7813..19ef216 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
 STM8EF_BOARD=W1209-FD
-STM8EF_VER=2.2.20.pre.2
+STM8EF_VER=2.2.20
 STM8EF_BIN=stm8ef-bin.zip
 STM8EF_URL=https://github.com/TG9541/stm8ef/releases/download/${STM8EF_VER}/${STM8EF_BIN}