diff --git a/Makefile b/Makefile
index 51b448a..236e796 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 
 export FW_MAJOR := 1
-export FW_MINOR := 3
+export FW_MINOR := 4
 
 PROJ = greaseweazle-firmware
 VER := $(FW_MAJOR).$(FW_MINOR)
diff --git a/RELEASE_NOTES b/RELEASE_NOTES
index 01fdcc8..c1dc680 100644
--- a/RELEASE_NOTES
+++ b/RELEASE_NOTES
@@ -3,12 +3,15 @@
 ** Keir Fraser <keir.xen@gmail.com>
 ************************************
 
+** v1.4 - 22 July 2023
+ - New board type: V4.1 (AT32F4xx, USB-C)
+
 ** v1.3 - 18 February 2023
  - AT32F403A: Run this MCU at 216MHz in main firmware
  - USB: Implement GET_STATUS(DEVICE) as required by USB spec
    - This fixes repeated USB resets on some Linux hosts
  - Blinky test: Fix serial baud rate (115200)
- 
+
 ** v1.2 - 18 July 2022
  - Support AT32F403A MCU on F1 and V4 boards
  - Send MCU info to host (reported in 'gw info')