diff --git a/doc/changelog.rst b/doc/changelog.rst
index 817862914..420c6c6de 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -8,6 +8,8 @@ PyMongo 4.9 brings a number of improvements including:
 
 - Added support for MongoDB 8.0.
 - A new asynchronous API with full asyncio support.
+- Add support for :attr:`~pymongo.encryption.Algorithm.RANGE` and deprecate
+  :attr:`~pymongo.encryption.Algorithm.RANGEPREVIEW`.
 - pymongocrypt>=1.10 is now required for :ref:`In-Use Encryption` support.
 
 Issues Resolved
diff --git a/pymongo/asynchronous/encryption.py b/pymongo/asynchronous/encryption.py
index 5977a83c4..13f11c326 100644
--- a/pymongo/asynchronous/encryption.py
+++ b/pymongo/asynchronous/encryption.py
@@ -463,7 +463,14 @@ class Algorithm(str, enum.Enum):
     RANGE = "Range"
     """Range.
 
-    .. versionadded:: 4.8
+    .. versionadded:: 4.9
+    """
+    RANGEPREVIEW = "RangePreview"
+    """**DEPRECATED** - RangePreview.
+
+    .. note:: Support for RangePreview is deprecated. Use :attr:`Algorithm.RANGE` instead.
+
+    .. versionadded:: 4.4
     """
 
 
@@ -477,7 +484,18 @@ class QueryType(str, enum.Enum):
     """Used to encrypt a value for an equality query."""
 
     RANGE = "range"
-    """Used to encrypt a value for a range query."""
+    """Used to encrypt a value for a range query.
+
+    .. versionadded:: 4.9
+    """
+
+    RANGEPREVIEW = "RangePreview"
+    """**DEPRECATED** - Used to encrypt a value for a rangePreview query.
+
+    .. note:: Support for RangePreview is deprecated. Use :attr:`QueryType.RANGE` instead.
+
+    .. versionadded:: 4.4
+    """
 
 
 def _create_mongocrypt_options(**kwargs: Any) -> MongoCryptOptions:
@@ -847,7 +865,7 @@ class ClientEncryption(Generic[_DocumentType]):
 
         :return: The encrypted value, a :class:`~bson.binary.Binary` with subtype 6.
 
-        .. versionchanged:: 4.8
+        .. versionchanged:: 4.9
            Added the `range_opts` parameter.
 
         .. versionchanged:: 4.7
@@ -903,7 +921,7 @@ class ClientEncryption(Generic[_DocumentType]):
 
         :return: The encrypted expression, a :class:`~bson.RawBSONDocument`.
 
-        .. versionchanged:: 4.8
+        .. versionchanged:: 4.9
            Added the `range_opts` parameter.
 
         .. versionchanged:: 4.7
diff --git a/pymongo/synchronous/encryption.py b/pymongo/synchronous/encryption.py
index a04087449..909fd12c8 100644
--- a/pymongo/synchronous/encryption.py
+++ b/pymongo/synchronous/encryption.py
@@ -461,7 +461,14 @@ class Algorithm(str, enum.Enum):
     RANGE = "Range"
     """Range.
 
-    .. versionadded:: 4.8
+    .. versionadded:: 4.9
+    """
+    RANGEPREVIEW = "RangePreview"
+    """**DEPRECATED** - RangePreview.
+
+    .. note:: Support for RangePreview is deprecated. Use :attr:`Algorithm.RANGE` instead.
+
+    .. versionadded:: 4.4
     """
 
 
@@ -475,7 +482,18 @@ class QueryType(str, enum.Enum):
     """Used to encrypt a value for an equality query."""
 
     RANGE = "range"
-    """Used to encrypt a value for a range query."""
+    """Used to encrypt a value for a range query.
+
+    .. versionadded:: 4.9
+    """
+
+    RANGEPREVIEW = "RangePreview"
+    """**DEPRECATED** - Used to encrypt a value for a rangePreview query.
+
+    .. note:: Support for RangePreview is deprecated. Use :attr:`QueryType.RANGE` instead.
+
+    .. versionadded:: 4.4
+    """
 
 
 def _create_mongocrypt_options(**kwargs: Any) -> MongoCryptOptions:
@@ -845,7 +863,7 @@ class ClientEncryption(Generic[_DocumentType]):
 
         :return: The encrypted value, a :class:`~bson.binary.Binary` with subtype 6.
 
-        .. versionchanged:: 4.8
+        .. versionchanged:: 4.9
            Added the `range_opts` parameter.
 
         .. versionchanged:: 4.7
@@ -901,7 +919,7 @@ class ClientEncryption(Generic[_DocumentType]):
 
         :return: The encrypted expression, a :class:`~bson.RawBSONDocument`.
 
-        .. versionchanged:: 4.8
+        .. versionchanged:: 4.9
            Added the `range_opts` parameter.
 
         .. versionchanged:: 4.7