diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8941ad76..70ce6afc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-api-core/#history
 
+### [2.2.2](https://www.github.com/googleapis/python-api-core/compare/v2.2.1...v2.2.2) (2021-11-02)
+
+
+### Bug Fixes
+
+* make 'gapic_v1.method.DEFAULT' a typed object ([#292](https://www.github.com/googleapis/python-api-core/issues/292)) ([ffc51f0](https://www.github.com/googleapis/python-api-core/commit/ffc51f03c7ce5d9f009ba859b8df385d52925578))
+
 ### [2.2.1](https://www.github.com/googleapis/python-api-core/compare/v2.2.0...v2.2.1) (2021-10-26)
 
 
diff --git a/google/api_core/gapic_v1/method.py b/google/api_core/gapic_v1/method.py
index 79722c07..73c8d4bc 100644
--- a/google/api_core/gapic_v1/method.py
+++ b/google/api_core/gapic_v1/method.py
@@ -18,6 +18,7 @@
 pagination, and long-running operations to gRPC methods.
 """
 
+import enum
 import functools
 
 from google.api_core import grpc_helpers
@@ -25,7 +26,18 @@
 from google.api_core.gapic_v1 import client_info
 
 USE_DEFAULT_METADATA = object()
-DEFAULT = object()
+
+
+class _MethodDefault(enum.Enum):
+    # Uses enum so that pytype/mypy knows that this is the only possible value.
+    # https://stackoverflow.com/a/60605919/101923
+    #
+    # Literal[_DEFAULT_VALUE] is an alternative, but only added in Python 3.8.
+    # https://docs.python.org/3/library/typing.html#typing.Literal
+    _DEFAULT_VALUE = object()
+
+
+DEFAULT = _MethodDefault._DEFAULT_VALUE
 """Sentinel value indicating that a retry or timeout argument was unspecified,
 so the default should be used."""
 
diff --git a/google/api_core/version.py b/google/api_core/version.py
index b1be7d8c..bcc59c44 100644
--- a/google/api_core/version.py
+++ b/google/api_core/version.py
@@ -12,4 +12,4 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-__version__ = "2.2.1"
+__version__ = "2.2.2"