diff --git a/build_platform.py b/build_platform.py
index 3b9eb9c..5d81585 100644
--- a/build_platform.py
+++ b/build_platform.py
@@ -45,8 +45,10 @@ ALL_PLATFORMS={
     "m4" : "adafruit:samd:adafruit_metro_m4:speed=120",
     "pybadge" : "adafruit:samd:adafruit_pybadge_m4:speed=120",
     "pygamer" : "adafruit:samd:adafruit_pygamer_m4:speed=120",
+    "hallowing_m0" : "adafruit:samd:adafruit_hallowing",
     "hallowing_m4" : "adafruit:samd:adafruit_hallowing_m4:speed=120",
     "pyportal" : "adafruit:samd:adafruit_pyportal_m4:speed=120",
+    "pyportal_titano" : "adafruit:samd:adafruit_pyportal_m4_titano:speed=120",
     "cpx_ada" : "adafruit:samd:adafruit_circuitplayground_m0",
     # Adafruit nRF
     "nrf52840" : "adafruit:nrf52:feather52840:softdevice=s140v6,debug=l0",