diff --git a/requirements.txt b/requirements.txt
index 00d309b..b40e964 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ arrow==1.3.0
 environs==11.2.1
 marshmallow==3.23.1
 paho-mqtt==2.1.0
-pymodbus==3.7.3
+pymodbus==3.8.0
 pyyaml==6.0.2
 requests==2.32.3
\ No newline at end of file