diff --git a/requirements.txt b/requirements.txt
index 0d52859..b660b7c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ macholib==1.11
 netifaces==0.10.9
 pefile==2019.4.18
 PyInstaller==3.4
-readchar==2.0.1
+readchar==4.2.1