diff --git a/lib/stm32lib b/lib/stm32lib
index 615329f1a6..668d7a9e54 160000
--- a/lib/stm32lib
+++ b/lib/stm32lib
@@ -1 +1 @@
-Subproject commit 615329f1a61bd0689bfb095cb3fd74865cca88ff
+Subproject commit 668d7a9e54aea98f8fe8a858eac1d3daa80fa824