diff --git a/connectors/requirements.txt b/connectors/requirements.txt
index de5a438..6b559dd 100644
--- a/connectors/requirements.txt
+++ b/connectors/requirements.txt
@@ -1,4 +1,4 @@
-pymodbus==3.5.4
+pymodbus==3.11.3
 zigpy==0.60.2
 zigpy-znp==0.12.1
 requests==2.31.0