diff --git a/ports/stm32/boards/manifest.py b/ports/stm32/boards/manifest.py
index 3390773236..81b8583410 100644
--- a/ports/stm32/boards/manifest.py
+++ b/ports/stm32/boards/manifest.py
@@ -1,3 +1,4 @@
+include("$(MPY_DIR)/extmod/uasyncio/manifest.py")
 freeze("$(MPY_DIR)/drivers/dht", "dht.py")
 freeze("$(MPY_DIR)/drivers/display", ("lcd160cr.py", "lcd160cr_test.py"))
 freeze("$(MPY_DIR)/drivers/onewire", "onewire.py")
diff --git a/ports/stm32/mpconfigport.h b/ports/stm32/mpconfigport.h
index 95442b6476..a7baa34956 100644
--- a/ports/stm32/mpconfigport.h
+++ b/ports/stm32/mpconfigport.h
@@ -134,6 +134,7 @@
 #endif
 
 // extended modules
+#define MICROPY_PY_UASYNCIO         (1)
 #define MICROPY_PY_UCTYPES          (1)
 #define MICROPY_PY_UZLIB            (1)
 #define MICROPY_PY_UJSON            (1)