diff --git a/requirements.txt b/requirements.txt
index 0ca1e31..ee773f2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 #--extra-index-url https://forge.frm2.tum.de/simple
-serial
+pyserial
 mlzlog >=0.2.0
 # for generating docu
 markdown>=2.6