diff --git a/CHANGELOG.txt b/CHANGELOG.txt
index 902e96e..befbe7d 100644
--- a/CHANGELOG.txt
+++ b/CHANGELOG.txt
@@ -1,3 +1,7 @@
+Unreleased
+----------
+- rename `stac_pydantic.api.conformance.ConformanceClasses` to `stac_pydantic.api.conformance.Conformance`
+
 3.0.0 (2024-01-25)
 ------------------
 - Support pydantic>2.0 (@huard)
diff --git a/stac_pydantic/api/__init__.py b/stac_pydantic/api/__init__.py
index 143acf7..82f3f2a 100644
--- a/stac_pydantic/api/__init__.py
+++ b/stac_pydantic/api/__init__.py
@@ -1,8 +1,11 @@
 # flake8: noqa: F401
 from .collection import Collection
 from .collections import Collections
-from .conformance import ConformanceClasses
+from .conformance import Conformance
 from .item import Item
 from .item_collection import ItemCollection
 from .landing import LandingPage
 from .search import Search
+
+# For compatibility
+ConformanceClasses = Conformance
diff --git a/stac_pydantic/api/conformance.py b/stac_pydantic/api/conformance.py
index 957c8b5..94eb915 100644
--- a/stac_pydantic/api/conformance.py
+++ b/stac_pydantic/api/conformance.py
@@ -3,7 +3,7 @@
 from pydantic import AnyHttpUrl, BaseModel
 
 
-class ConformanceClasses(BaseModel):
+class Conformance(BaseModel):
     """
     https://github.com/radiantearth/stac-api-spec/blob/master/api-spec.md#ogc-api---features-endpoints
     """
diff --git a/tests/api/test_conformance.py b/tests/api/test_conformance.py
index 234ef6a..5379102 100644
--- a/tests/api/test_conformance.py
+++ b/tests/api/test_conformance.py
@@ -1,15 +1,15 @@
 import pytest
 from pydantic import ValidationError
 
-from stac_pydantic.api.conformance import ConformanceClasses
+from stac_pydantic.api.conformance import Conformance
 
 
 def test_api_conformance():
-    ConformanceClasses(
+    Conformance(
         conformsTo=["https://conformance-class-1", "http://conformance-class-2"]
     )
 
 
 def test_api_conformance_invalid_url():
     with pytest.raises(ValidationError):
-        ConformanceClasses(conformsTo=["s3://conformance-class"])
+        Conformance(conformsTo=["s3://conformance-class"])
diff --git a/tests/api/test_search.py b/tests/api/test_search.py
index ab44566..4f176e6 100644
--- a/tests/api/test_search.py
+++ b/tests/api/test_search.py
@@ -1,5 +1,5 @@
 import time
-from datetime import datetime, timezone, timedelta
+from datetime import datetime, timedelta, timezone
 
 import pytest
 from pydantic import ValidationError