diff --git a/library/setup.cfg b/library/setup.cfg
index 45cd6de..5108859 100644
--- a/library/setup.cfg
+++ b/library/setup.cfg
@@ -53,6 +53,7 @@ py2deps =
 	python-smbus
 	python-pil
 	python-spidev
+	python-numpy
 	python-rpi.gpio
 py3deps =
 	python3-pip
@@ -60,6 +61,7 @@ py3deps =
 	python3-smbus
 	python3-pil
 	python3-spidev
+	python3-numpy
 	python3-rpi.gpio
 commands =
 	printf "Setting up i2c and SPI..\n"