diff --git a/py/mpconfig.h b/py/mpconfig.h
index 66a083da45..e0d1ad44eb 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -31,7 +31,7 @@
 // are unavailable.
 #define MICROPY_VERSION_MAJOR 1
 #define MICROPY_VERSION_MINOR 22
-#define MICROPY_VERSION_MICRO 0
+#define MICROPY_VERSION_MICRO 1
 #define MICROPY_VERSION_PRERELEASE 0
 
 // Combined version as a 32-bit number for convenience to allow version