diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index b7717a6..2902876 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -12,6 +12,10 @@ Raise `ValueError` when `start_time` passed to `create()` is neither a `datetime
 
 <!-- Here goes the main new features and examples or instructions on how to use them -->
 
+- `TargetCategories` now supports the `STEAM_BOILER` component category. This
+  requires `frequenz-client-common` 0.3.8 or newer. The minimum supported
+  `grpcio` version is now 1.80.0, as required by its `frequenz-api-common`
+  dependency.
 - `dispatch-cli` accepts `FREQUENZ_API_KEY` and `FREQUENZ_API_SECRET` as a
   fallback pair for `DISPATCH_API_AUTH_KEY` and `DISPATCH_API_SIGN_SECRET`.
 
diff --git a/pyproject.toml b/pyproject.toml
index 5dc4416..7581429 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -39,9 +39,9 @@ dependencies = [
   "typing-extensions >= 4.13.0, < 5",
   "frequenz-api-dispatch >= 1.0.0, < 2",
   "frequenz-client-base >= 0.11.0, < 0.12.0",
-  "frequenz-client-common >= 0.3.6, < 0.4.0",
+  "frequenz-client-common >= 0.3.8, < 0.4.0",
   "frequenz-core >= 1.0.2, < 2.0.0",
-  "grpcio >= 1.72.1, < 2",
+  "grpcio >= 1.80.0, < 2",
   "python-dateutil >= 2.8.2, < 3.0",
 ]
 dynamic = ["version"]
diff --git a/tests/test_proto.py b/tests/test_proto.py
index f1668a9..c2efb05 100644
--- a/tests/test_proto.py
+++ b/tests/test_proto.py
@@ -56,6 +56,16 @@ def test_target_components() -> None:
         assert _target_components_from_protobuf(protobuf) == components
 
 
+def test_steam_boiler_target_round_trip() -> None:
+    """Test targeting steam boilers by their named component category."""
+    target = TargetCategories(ElectricalComponentCategory.STEAM_BOILER)
+
+    protobuf = _target_components_to_protobuf(target)
+    category = protobuf.component_categories_types.categories[0].category
+    assert category == 19
+    assert _target_components_from_protobuf(protobuf) == target
+
+
 def test_end_criteria() -> None:
     """Test the end criteria."""
     for end_criteria in (