diff --git a/tools/get_deps.py b/tools/get_deps.py
index 92bfb86a2..555e2d707 100644
--- a/tools/get_deps.py
+++ b/tools/get_deps.py
@@ -172,10 +172,10 @@ deps_optional = {
                             '7578cae0b21f86dd053a1f781b2fc6ab99d0ec17',
                             'ch32v10x'],
     'hw/mcu/wch/ch32v20x': ['https://github.com/openwch/ch32v20x.git',
-                            'de6d68c654340d7f27b00cebbfc9aa2740a1abc2',
+                            'c4c38f507e258a4e69b059ccc2dc27dde33cea1b',
                             'ch32v20x'],
     'hw/mcu/wch/ch32v307': ['https://github.com/openwch/ch32v307.git',
-                            '17761f5cf9dbbf2dcf665b7c04934188add20082',
+                            '184f21b852cb95eed58e86e901837bc9fff68775',
                             'ch32v307'],
     'hw/mcu/wch/ch32f20x': ['https://github.com/openwch/ch32f20x.git',
                             '77c4095087e5ed2c548ec9058e655d0b8757663b',