diff --git a/pkgs/development/python-modules/modbus-connection/default.nix b/pkgs/development/python-modules/modbus-connection/default.nix
index ad330e5d70be..5d16c2544027 100644
--- a/pkgs/development/python-modules/modbus-connection/default.nix
+++ b/pkgs/development/python-modules/modbus-connection/default.nix
@@ -12,7 +12,7 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "modbus-connection";
-  version = "3.4.1";
+  version = "3.6.0";
   pyproject = true;
   __structuredAttrs = true;
 
@@ -20,7 +20,7 @@ buildPythonPackage (finalAttrs: {
     owner = "home-assistant-libs";
     repo = "modbus-connection";
     tag = finalAttrs.version;
-    hash = "sha256-jWS6quM+hZTMGNyxopC4RS3mUaYAqD/MOsmTU7sD+pg=";
+    hash = "sha256-qDrtLziEMH0lsJ2o3p/6lMlPTdNIFqCvhtpbMJ89uKw=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/development/python-modules/pymodbus/default.nix b/pkgs/development/python-modules/pymodbus/default.nix
index fc0afe74e614..97243550c4ef 100644
--- a/pkgs/development/python-modules/pymodbus/default.nix
+++ b/pkgs/development/python-modules/pymodbus/default.nix
@@ -17,14 +17,14 @@
 
 buildPythonPackage (finalAttrs: {
   pname = "pymodbus";
-  version = "3.13.1";
+  version = "3.14.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "pymodbus-dev";
     repo = "pymodbus";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-gaCD3bhwBXF08vn3v9OU2mT1WJycrqgtxUC8sRLmZ8Y=";
+    hash = "sha256-abU7hOXXJuoBHqSCL4++4ZHZcG8hcyLCMw56eBz1eQc=";
   };
 
   __darwinAllowLocalNetworking = true;
diff --git a/pkgs/servers/home-assistant/custom-components/systemair/package.nix b/pkgs/servers/home-assistant/custom-components/systemair/package.nix
index e549e8d87c87..be387f0dd7aa 100644
--- a/pkgs/servers/home-assistant/custom-components/systemair/package.nix
+++ b/pkgs/servers/home-assistant/custom-components/systemair/package.nix
@@ -19,6 +19,10 @@ buildHomeAssistantComponent rec {
     hash = "sha256-6JLcWBZU5YXgdcZUuCIs2KAJJJ8U7nawYwOgSjsNajc=";
   };
 
+  ignoreVersionRequirement = [
+    "pymodbus"
+  ];
+
   dependencies = [
     pymodbus
     async-timeout