diff --git a/stac_pydantic/extensions.py b/stac_pydantic/extensions.py
index 5baf498..1818e8c 100644
--- a/stac_pydantic/extensions.py
+++ b/stac_pydantic/extensions.py
@@ -11,7 +11,7 @@
 
 
 @lru_cache(maxsize=128)
-def _fetch_schema(url: str) -> dict:
+def _fetch_and_cache_schema(url: str) -> dict:
     """Fetch the remote JSON schema, if not already cached."""
     req = requests.get(url)
     return req.json()
@@ -35,7 +35,7 @@ def validate_extensions(
     try:
         if stac_dict["stac_extensions"]:
             for ext in stac_dict["stac_extensions"]:
-                schema = _fetch_schema(ext)
+                schema = _fetch_and_cache_schema(ext)
                 jsonschema.validate(instance=stac_dict, schema=schema)
     except Exception:
         if reraise_exception:
diff --git a/tests/test_models.py b/tests/test_models.py
index 0b135e4..6e10a2f 100644
--- a/tests/test_models.py
+++ b/tests/test_models.py
@@ -6,7 +6,7 @@
 from shapely.geometry import shape
 
 from stac_pydantic import Collection, Item, ItemProperties
-from stac_pydantic.extensions import _fetch_schema, validate_extensions
+from stac_pydantic.extensions import _fetch_and_cache_schema, validate_extensions
 from stac_pydantic.links import Link, Links
 from stac_pydantic.shared import MimeTypes, StacCommonMetadata
 
@@ -120,16 +120,16 @@ def test_extension_validation_schema_cache() -> None:
     # Defines 3 extensions, but one is a non-existing URL
     test_item = request(EO_EXTENSION)
 
-    _fetch_schema.cache_clear()
+    _fetch_and_cache_schema.cache_clear()
 
     assert not validate_extensions(test_item)
-    assert _fetch_schema.cache_info().hits == 0
-    assert _fetch_schema.cache_info().misses == 3
+    assert _fetch_and_cache_schema.cache_info().hits == 0
+    assert _fetch_and_cache_schema.cache_info().misses == 3
 
     assert not validate_extensions(test_item)
-    assert _fetch_schema.cache_info().hits == 2
+    assert _fetch_and_cache_schema.cache_info().hits == 2
     # The non-existing URL will have failed, hence retried
-    assert _fetch_schema.cache_info().misses == 4
+    assert _fetch_and_cache_schema.cache_info().misses == 4
 
 
 @pytest.mark.parametrize(