diff --git a/requirements.txt b/requirements.txt
index ac89a09..816986c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,5 @@
 #
 # SPDX-License-Identifier: Unlicense
 
+Adafruit-Blinka
 adafruit-circuitpython-ble