diff --git a/include/palerain.h b/include/palerain.h
index 36efc76..baf708b 100644
--- a/include/palerain.h
+++ b/include/palerain.h
@@ -72,7 +72,7 @@ usb_ret_t USBBulkUpload(usb_device_handle_t handle, void *data, uint32_t len);
 #endif
 
 #ifndef PALERAIN_VERSION
-#define PALERAIN_VERSION "2.2"
+#define PALERAIN_VERSION "2.2.1"
 #endif
 
 #if defined(__APPLE__)