diff --git a/packages/overture-schema-buildings-theme/src/overture/schema/buildings/building.py b/packages/overture-schema-buildings-theme/src/overture/schema/buildings/building.py
index 3af49134a..8c2d762bb 100644
--- a/packages/overture-schema-buildings-theme/src/overture/schema/buildings/building.py
+++ b/packages/overture-schema-buildings-theme/src/overture/schema/buildings/building.py
@@ -144,7 +144,7 @@ class Building(
     Appearance,
 ):
     """
-    Buildings are man-made structures with roofs that exists permanently in one place.
+    Buildings are man-made structures with roofs that exist permanently in one place.
 
     A building's geometry represents the two-dimensional footprint of the building as viewed from
     directly above, looking down. Fields such as `height` and `num_floors` allow the
diff --git a/packages/overture-schema-buildings-theme/tests/building_baseline_schema.json b/packages/overture-schema-buildings-theme/tests/building_baseline_schema.json
index d54ea0185..da918b663 100644
--- a/packages/overture-schema-buildings-theme/tests/building_baseline_schema.json
+++ b/packages/overture-schema-buildings-theme/tests/building_baseline_schema.json
@@ -392,7 +392,7 @@
     }
   },
   "additionalProperties": false,
-  "description": "Buildings are man-made structures with roofs that exists permanently in one place.\n\nA building's geometry represents the two-dimensional footprint of the building as viewed from\ndirectly above, looking down. Fields such as `height` and `num_floors` allow the\nthree-dimensional shape to be approximated. Some buildings, identified by the `has_parts` field,\nhave associated `BuildingPart` features which can be used to generate a more representative 3D\nmodel of the building.",
+  "description": "Buildings are man-made structures with roofs that exist permanently in one place.\n\nA building's geometry represents the two-dimensional footprint of the building as viewed from\ndirectly above, looking down. Fields such as `height` and `num_floors` allow the\nthree-dimensional shape to be approximated. Some buildings, identified by the `has_parts` field,\nhave associated `BuildingPart` features which can be used to generate a more representative 3D\nmodel of the building.",
   "properties": {
     "bbox": {
       "description": "An optional bounding box for the feature",
diff --git a/uv.lock b/uv.lock
index 7748ad79c..8ee6263f7 100644
--- a/uv.lock
+++ b/uv.lock
@@ -825,7 +825,6 @@ dev = [
     { name = "pytest" },
     { name = "pytest-cov" },
     { name = "ruff" },
-    { name = "semver" },
 ]
 
 [package.metadata]
@@ -838,7 +837,6 @@ dev = [
     { name = "pytest", specifier = ">=8.4.1" },
     { name = "pytest-cov", specifier = ">=7.0.0" },
     { name = "ruff", specifier = ">=0.12.4" },
-    { name = "semver", specifier = ">=3.0.4" },
 ]
 
 [[package]]
@@ -1194,15 +1192,6 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/c6/2a/65880dfd0e13f7f13a775998f34703674a4554906167dce02daf7865b954/ruff-0.14.0-py3-none-win_arm64.whl", hash = "sha256:f42c9495f5c13ff841b1da4cb3c2a42075409592825dada7c5885c2c844ac730", size = 12565142, upload-time = "2025-10-07T18:21:53.577Z" },
 ]
 
-[[package]]
-name = "semver"
-version = "3.0.4"
-source = { registry = "https://pypi.org/simple" }
-sdist = { url = "https://files.pythonhosted.org/packages/72/d1/d3159231aec234a59dd7d601e9dd9fe96f3afff15efd33c1070019b26132/semver-3.0.4.tar.gz", hash = "sha256:afc7d8c584a5ed0a11033af086e8af226a9c0b206f313e0301f8dd7b6b589602", size = 269730, upload-time = "2025-01-24T13:19:27.617Z" }
-wheels = [
-    { url = "https://files.pythonhosted.org/packages/a6/24/4d91e05817e92e3a61c8a21e08fd0f390f5301f1c448b137c57c4bc6e543/semver-3.0.4-py3-none-any.whl", hash = "sha256:9c824d87ba7f7ab4a1890799cec8596f15c1241cb473404ea1cb0c55e4b04746", size = 17912, upload-time = "2025-01-24T13:19:24.949Z" },
-]
-
 [[package]]
 name = "shapely"
 version = "2.1.2"