diff --git a/homeassistant/components/modbus/manifest.json b/homeassistant/components/modbus/manifest.json
index 4e4915dc82c6..dd178ef4c540 100644
--- a/homeassistant/components/modbus/manifest.json
+++ b/homeassistant/components/modbus/manifest.json
@@ -7,7 +7,7 @@
   "loggers": ["pymodbus"],
   "requirements": [
     "pymodbus==3.13.1",
-    "modbus-connection[tmodbus]==4.12.0",
+    "modbus-connection[tmodbus]==4.12.1",
     "tmodbus==0.6.2"
   ]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index 78bc4af0fb13..0948fc7c6cc8 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1641,7 +1641,7 @@ mitsubishi-comfort==0.5.2
 moat-ble==0.1.1
 
 # homeassistant.components.modbus
-modbus-connection[tmodbus]==4.12.0
+modbus-connection[tmodbus]==4.12.1
 
 # homeassistant.components.moehlenhoff_alpha2
 moehlenhoff-alpha2==1.4.0