diff --git a/homeassistant/components/modbus/manifest.json b/homeassistant/components/modbus/manifest.json
index fc25a329c11..120175c65c2 100644
--- a/homeassistant/components/modbus/manifest.json
+++ b/homeassistant/components/modbus/manifest.json
@@ -5,5 +5,5 @@
   "documentation": "https://www.home-assistant.io/integrations/modbus",
   "iot_class": "local_polling",
   "loggers": ["pymodbus"],
-  "requirements": ["pymodbus==3.7.4"]
+  "requirements": ["pymodbus==3.8.3"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 5556051301f..6b47ffef32d 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2109,7 +2109,7 @@ pymitv==1.4.3
 pymochad==0.2.0
 
 # homeassistant.components.modbus
-pymodbus==3.7.4
+pymodbus==3.8.3
 
 # homeassistant.components.monoprice
 pymonoprice==0.4
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 8af0c816861..c311d48c7a0 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -1717,7 +1717,7 @@ pymicro-vad==1.0.1
 pymochad==0.2.0
 
 # homeassistant.components.modbus
-pymodbus==3.7.4
+pymodbus==3.8.3
 
 # homeassistant.components.monoprice
 pymonoprice==0.4