diff --git a/.gitmodules b/.gitmodules
index 59ce58a..4c0ae40 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -13,4 +13,5 @@
 	url = https://github.com/tannewt/Pico-PIO-USB
 [submodule "external/pico-extras"]
 	path = external/pico-extras
-	url = https://github.com/raspberrypi/pico-extras.git
+	url = https://github.com/jepler/pico-extras.git
+	branch = i2s-audio-rp2350b-high-pins