diff --git a/ports/samd/mcu/samd51/manifest.py b/ports/samd/mcu/samd51/manifest.py
new file mode 100644
index 0000000000..4a79f6818f
--- /dev/null
+++ b/ports/samd/mcu/samd51/manifest.py
@@ -0,0 +1,5 @@
+include("$(PORT_DIR)/boards/manifest.py")
+include("$(MPY_DIR)/extmod/uasyncio")
+require("onewire")
+require("ds18x20")
+require("dht")
diff --git a/ports/samd/mcu/samd51/mpconfigmcu.mk b/ports/samd/mcu/samd51/mpconfigmcu.mk
index 305e780b87..a016ba0a7f 100644
--- a/ports/samd/mcu/samd51/mpconfigmcu.mk
+++ b/ports/samd/mcu/samd51/mpconfigmcu.mk
@@ -1,5 +1,6 @@
 MICROPY_VFS_LFS2 ?= 1
 MICROPY_VFS_FAT ?= 1
+FROZEN_MANIFEST ?= mcu/$(MCU_SERIES_LOWER)/manifest.py
 
 SRC_S += shared/runtime/gchelper_m3.s