diff --git a/requirements.txt b/requirements.txt
index 461c4e3..861cf0c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 netifaces==0.11.0
-pycryptodome==3.16.0
+pycryptodome==3.19.1
 pyserial==3.5