diff --git a/rest_framework/__init__.py b/rest_framework/__init__.py
index 4bd5bdbdab..bc16b221b2 100644
--- a/rest_framework/__init__.py
+++ b/rest_framework/__init__.py
@@ -23,7 +23,7 @@
 ISO_8601 = 'iso-8601'
 
 
-class RemovedInDRF315Warning(DeprecationWarning):
+class RemovedInDRF316Warning(DeprecationWarning):
     pass
 
 
diff --git a/rest_framework/schemas/openapi.py b/rest_framework/schemas/openapi.py
index 38031e646d..f35106fe5a 100644
--- a/rest_framework/schemas/openapi.py
+++ b/rest_framework/schemas/openapi.py
@@ -12,7 +12,7 @@
 from django.utils.encoding import force_str
 
 from rest_framework import (
-    RemovedInDRF315Warning, exceptions, renderers, serializers
+    RemovedInDRF316Warning, exceptions, renderers, serializers
 )
 from rest_framework.compat import inflection, uritemplate
 from rest_framework.fields import _UnvalidatedField, empty
@@ -725,7 +725,7 @@ def get_tags(self, path, method):
     def _get_reference(self, serializer):
         warnings.warn(
             "Method `_get_reference()` has been renamed to `get_reference()`. "
-            "The old name will be removed in DRF v3.15.",
-            RemovedInDRF315Warning, stacklevel=2
+            "The old name will be removed in DRF v3.16.",
+            RemovedInDRF316Warning, stacklevel=2
         )
         return self.get_reference(serializer)
diff --git a/tests/test_fields.py b/tests/test_fields.py
index 9ac84dd210..4306817634 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -1633,7 +1633,7 @@ def test_should_render_date_time_in_default_timezone(self):
         assert rendered_date == rendered_date_in_timezone
 
 
-@pytest.mark.skipif(pytz is None, reason="As Django 4.0 has deprecated pytz, this test should eventually be able to get removed.")
+@pytest.mark.skipif(pytz is None, reason="Django 5.0 has removed pytz; this test should eventually be able to get removed.")
 class TestPytzNaiveDayLightSavingTimeTimeZoneDateTimeField(FieldValues):
     """
     Invalid values for `DateTimeField` with datetime in DST shift (non-existing or ambiguous) and timezone with DST.