diff --git a/README.rst b/README.rst
index 4647b3e..a97e0f5 100644
--- a/README.rst
+++ b/README.rst
@@ -49,6 +49,9 @@ Dependencies
 This driver depends on:
 
 * `Adafruit CircuitPython <https://github.com/adafruit/circuitpython>`_
+* `Adafruit CircuitPython BusDevice <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_
+* `Adafruit CircuitPython MCP230xx <https://github.com/adafruit/Adafruit_CircuitPython_MCP230xx>`_
+* `Adafruit CircuitPython 74HC595 <https://github.com/adafruit/Adafruit_CircuitPython_74HC595>`_
 
 I2C & SPI displays also depend on: