diff --git a/requirements.txt b/requirements.txt
index 22c6869..e1a9aeb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ asyncio
 logging
 bleak
 async_timeout
-aiousbwatcher
\ No newline at end of file
+aiousbwatcher
+pyasn1