diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 88bca9f..255dafd 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -12,7 +12,7 @@ sphinx:
   configuration: docs/conf.py
 
 build:
-  os: ubuntu-20.04
+  os: ubuntu-lts-latest
   tools:
     python: "3"
 
diff --git a/examples/display_button_spritebutton_tft_featherwing_simpletest.py b/examples/display_button_spritebutton_tft_featherwing_simpletest.py
index 006fd51..3c6ffd9 100644
--- a/examples/display_button_spritebutton_tft_featherwing_simpletest.py
+++ b/examples/display_button_spritebutton_tft_featherwing_simpletest.py
@@ -6,6 +6,7 @@
 import board
 import digitalio
 import displayio
+import fourwire
 import terminalio
 from adafruit_hx8357 import HX8357  # TFT Featherwing display driver
 
@@ -20,7 +21,7 @@
 spi = board.SPI()
 tft_cs = board.D9
 tft_dc = board.D10
-display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs)
 display = HX8357(display_bus, width=DISPLAY_WIDTH, height=DISPLAY_HEIGHT)
 display.rotation = 0
 _touch_flip = (False, True)