diff --git a/requirements.txt b/requirements.txt
index 74cd98a..e1111a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
+Adafruit-Blinka
 adafruit-circuitpython-register
 adafruit-circuitpython-busdevice
\ No newline at end of file