diff --git a/homeassistant/components/modbus/manifest.json b/homeassistant/components/modbus/manifest.json
index 9f2208de175..549ad2c2351 100644
--- a/homeassistant/components/modbus/manifest.json
+++ b/homeassistant/components/modbus/manifest.json
@@ -2,7 +2,7 @@
   "domain": "modbus",
   "name": "Modbus",
   "documentation": "https://www.home-assistant.io/integrations/modbus",
-  "requirements": ["pymodbus==2.5.2"],
+  "requirements": ["pymodbus==2.5.3rc1"],
   "codeowners": ["@adamchengtkc", "@janiversen", "@vzahradnik"],
   "quality_scale": "silver",
   "iot_class": "local_polling"
diff --git a/requirements_all.txt b/requirements_all.txt
index 6be000417be..7c4001c4c5a 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1601,7 +1601,7 @@ pymitv==1.4.3
 pymochad==0.2.0
 
 # homeassistant.components.modbus
-pymodbus==2.5.2
+pymodbus==2.5.3rc1
 
 # homeassistant.components.monoprice
 pymonoprice==0.3
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 69e3bd85d32..4f0b541ad31 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -914,7 +914,7 @@ pymfy==0.11.0
 pymochad==0.2.0
 
 # homeassistant.components.modbus
-pymodbus==2.5.2
+pymodbus==2.5.3rc1
 
 # homeassistant.components.monoprice
 pymonoprice==0.3