diff --git a/Drivers/CMSIS/Device/ST/STM32F1xx b/Drivers/CMSIS/Device/ST/STM32F1xx
index de5b35d..1d9e5f4 160000
--- a/Drivers/CMSIS/Device/ST/STM32F1xx
+++ b/Drivers/CMSIS/Device/ST/STM32F1xx
@@ -1 +1 @@
-Subproject commit de5b35db7fd13143ddb362d4626b7fca847fafee
+Subproject commit 1d9e5f4f580ea970bdc512252ff0edf10481b5b2