diff --git a/custom_components/givenergy_local/manifest.json b/custom_components/givenergy_local/manifest.json
index 547dc99..724d9e9 100644
--- a/custom_components/givenergy_local/manifest.json
+++ b/custom_components/givenergy_local/manifest.json
@@ -9,7 +9,7 @@
   "iot_class": "local_polling",
   "issue_tracker": "https://github.com/dewet22/givenergy-hass/issues",
   "requirements": [
-    "givenergy-modbus>=2.0.0,<3.0.0"
+    "givenergy-modbus>=2.0.3,<3.0.0"
   ],
-  "version": "1.0.1"
+  "version": "1.0.2"
 }
diff --git a/custom_components/givenergy_local/sensor.py b/custom_components/givenergy_local/sensor.py
index 90eae1d..a6b694d 100644
--- a/custom_components/givenergy_local/sensor.py
+++ b/custom_components/givenergy_local/sensor.py
@@ -626,12 +626,6 @@ class GivEnergyCoordinatorSensorDescription(SensorEntityDescription):
     ),
     # --- Diagnostic ---
     GivEnergyInverterSensorDescription(
-        # The raw register at IR(47):IR(48) is already in hours of operation,
-        # despite the field name suggesting otherwise. Earlier code divided by
-        # 3600 assuming seconds, which produced values ~3600× too small (e.g.
-        # ~10h after several years of operation). Tracked upstream at
-        # givenergy-modbus#84 — once the library annotates the unit explicitly
-        # this comment can come out.
         key="work_time_total",
         name="Work Time Total",
         native_unit_of_measurement=UnitOfTime.HOURS,
diff --git a/uv.lock b/uv.lock
index f31b038..487bae6 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1276,16 +1276,16 @@ dev = [
 
 [[package]]
 name = "givenergy-modbus"
-version = "2.0.0"
+version = "2.0.3"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "crccheck" },
     { name = "pydantic", version = "2.12.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.14.2'" },
     { name = "pydantic", version = "2.13.2", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version >= '3.14.2'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/f5/1a/06822214b3aca4254be029b4dfd0b794ada4f163b98e873132a6afd53958/givenergy_modbus-2.0.0.tar.gz", hash = "sha256:f6a40ec533b2eef42ef59c041e7c3f142d051957dba1be24ba180ccf7beddd73", size = 115580, upload-time = "2026-05-22T18:04:17.786Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/59/72/5449d00b42d4cbc32ebb7572e49a0cdce262187677485595db3bbf2a81cb/givenergy_modbus-2.0.3.tar.gz", hash = "sha256:2f979f8b8f947548b6be759ccb80951b40c3699f184edfec10e3fdfedfbe730d", size = 127654, upload-time = "2026-05-27T00:43:25.654Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/a2/bc/719481664f77ca6b27bc8c0905313115d45a24344d011c8c9253aa4bb444/givenergy_modbus-2.0.0-py3-none-any.whl", hash = "sha256:6988e3cc896e5b886378a2b3c26c141588b0d8a8f83952d094c2e19b0f2f12bb", size = 72236, upload-time = "2026-05-22T18:04:16.36Z" },
+    { url = "https://files.pythonhosted.org/packages/dd/78/ce5af6fc7efc19bec64fa8787e64178f5b52ccdbc1bfcfc0b4420137dc1e/givenergy_modbus-2.0.3-py3-none-any.whl", hash = "sha256:d953a163601a1528fae3978e80178c7ef8a33e064167172b9c3dcf3991267505", size = 75490, upload-time = "2026-05-27T00:43:24.226Z" },
 ]
 
 [[package]]