diff --git a/py/mpconfig.h b/py/mpconfig.h
index c025bca260..66a083da45 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -32,7 +32,7 @@
 #define MICROPY_VERSION_MAJOR 1
 #define MICROPY_VERSION_MINOR 22
 #define MICROPY_VERSION_MICRO 0
-#define MICROPY_VERSION_PRERELEASE 1
+#define MICROPY_VERSION_PRERELEASE 0
 
 // Combined version as a 32-bit number for convenience to allow version
 // comparison. Doesn't include prerelease state.