diff --git a/requirements.txt b/requirements.txt
index a7563fa..3e8e3ef 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-paho-mqtt>=1.6.1
+paho-mqtt>=2.1.0
 pyserial>=3.5
\ No newline at end of file