diff --git a/openeo_pg_parser_networkx/pg_schema.py b/openeo_pg_parser_networkx/pg_schema.py
index 06781d8..6c12389 100644
--- a/openeo_pg_parser_networkx/pg_schema.py
+++ b/openeo_pg_parser_networkx/pg_schema.py
@@ -30,7 +30,6 @@
     model_validator,
     validator,
 )
-from shapely.geometry import Polygon
 
 logger = logging.getLogger(__name__)
 
@@ -149,14 +148,7 @@ class BoundingBox(BaseModel, arbitrary_types_allowed=True):
     @property
     def polygon(self) -> Polygon:
         """"""
-        return Polygon(
-            [
-                (self.west, self.south),
-                (self.west, self.north),
-                (self.east, self.north),
-                (self.east, self.south),
-            ]
-        )
+        return Polygon.from_bounds(self.west, self.south, self.east, self.north)
 
 
 class Date(RootModel):
diff --git a/pyproject.toml b/pyproject.toml
index 9d0800e..5fd04ef 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -27,7 +27,6 @@ python = ">=3.10,<3.13"
 pydantic = "^2.4.0"
 pyproj = "^3.4.0"
 networkx = ">=3.0.0"
-shapely = ">=1.8"
 geojson-pydantic = "^1.0.0"
 numpy = "^1.20.3"
 pendulum = ">=3.0.0"