diff --git a/pico-sdk b/pico-sdk
index 6a7db34..a1438df 160000
--- a/pico-sdk
+++ b/pico-sdk
@@ -1 +1 @@
-Subproject commit 6a7db34ff63345a7badec79ebea3aaef1712f374
+Subproject commit a1438dff1d38bd9c65dbd693f0e5db4b9ae91779