diff --git a/.gitmodules b/.gitmodules
index b60a75b7..72d89fc5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -995,3 +995,6 @@
 [submodule "libraries/helpers/connection_manager"]
 	path = libraries/helpers/connection_manager
 	url = https://github.com/adafruit/Adafruit_CircuitPython_ConnectionManager.git
+[submodule "libraries/helpers/usb_host_mass_storage"]
+	path = libraries/helpers/usb_host_mass_storage
+	url = https://github.com/adafruit/Adafruit_CircuitPython_USB_Host_Mass_Storage.git
diff --git a/libraries/helpers/usb_host_mass_storage b/libraries/helpers/usb_host_mass_storage
new file mode 160000
index 00000000..63185321
--- /dev/null
+++ b/libraries/helpers/usb_host_mass_storage
@@ -0,0 +1 @@
+Subproject commit 63185321ab09872281bf9fec08cbe1f9a8c9d347