diff --git a/pygeoapi/models/provider/base.py b/pygeoapi/models/provider/base.py
index 2da3903..39d18fa 100644
--- a/pygeoapi/models/provider/base.py
+++ b/pygeoapi/models/provider/base.py
@@ -79,7 +79,7 @@ class TileMatrixSetEnumType(BaseModel):
 class TileMatrixSetEnum(Enum):
     WORLDCRS84QUAD = TileMatrixSetEnumType(
         tileMatrixSet="WorldCRS84Quad",
-        tileMatrixSetURI="http://schemas.opengis.net/tms/1.0/json/examples/WorldCRS84Quad.json",  # noqa
+        tileMatrixSetURI="http://www.opengis.net/def/tilematrixset/OGC/1.0/WorldCRS84Quad",  # noqa
         crs="http://www.opengis.net/def/crs/OGC/1.3/CRS84",
         tileMatrixSetDefinition=
             {
@@ -91,7 +91,7 @@ class TileMatrixSetEnum(Enum):
         )
     WEBMERCATORQUAD = TileMatrixSetEnumType(
         tileMatrixSet="WebMercatorQuad",
-        tileMatrixSetURI="http://schemas.opengis.net/tms/1.0/json/examples/WebMercatorQuad.json",  # noqa
+        tileMatrixSetURI="http://www.opengis.net/def/tilematrixset/OGC/1.0/WebMercatorQuad",  # noqa
         crs="http://www.opengis.net/def/crs/EPSG/0/3857",
         tileMatrixSetDefinition=
             {