diff --git a/Changelog.md b/Changelog.md
index 7bd3c96..667e716 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.1.6
+
+- `BatchReader.more_results` now shares the same default value for fetch buffer size as `read_arrow_batches_from_odbc`.
+
 ## 2.1.5
 
 - Updated Rust dependencies. This includes an update to `odbc-api` which activates db2 specific workaround for any platform
diff --git a/doc/source/conf.py b/doc/source/conf.py
index d7b6b11..3d73dd3 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -22,7 +22,7 @@
 author = "Markus Klein"
 
 # The full version, including alpha/beta/rc tags
-release = "2.1.5"
+release = "2.1.6"
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/pyproject.toml b/pyproject.toml
index a4f1ab8..28f8992 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ name = "arrow-odbc"
 authors = [{name = "Markus Klein"}]
 description="Read the data of an ODBC data source as sequence of Apache Arrow record batches."
 readme = "README.md"
-version = "2.1.5"
+version = "2.1.6"
 dependencies = ["cffi", "pyarrow >= 8.0.0"]
 
 [project.license]
diff --git a/python/arrow_odbc/reader.py b/python/arrow_odbc/reader.py
index 4eb1372..3eb146e 100644
--- a/python/arrow_odbc/reader.py
+++ b/python/arrow_odbc/reader.py
@@ -9,6 +9,7 @@
 from .arrow_odbc import ffi, lib  # type: ignore
 from .error import raise_on_error
 
+DEFAULT_FETCH_BUFFER_LIMIT_IN_BYTES = 2**29
 
 def _schema_from_handle(handle) -> Schema:
     """
@@ -73,7 +74,7 @@ def __next__(self) -> RecordBatch:
     def more_results(
         self,
         batch_size: int = 65535,
-        max_bytes_per_batch: Optional[int] = 2**21,
+        max_bytes_per_batch: Optional[int] = DEFAULT_FETCH_BUFFER_LIMIT_IN_BYTES,
         max_text_size: Optional[int] = None,
         max_binary_size: Optional[int] = None,
         falliable_allocations: bool = False,
@@ -237,7 +238,7 @@ def read_arrow_batches_from_odbc(
     user: Optional[str] = None,
     password: Optional[str] = None,
     parameters: Optional[List[Optional[str]]] = None,
-    max_bytes_per_batch: Optional[int] = 2**29,
+    max_bytes_per_batch: Optional[int] = DEFAULT_FETCH_BUFFER_LIMIT_IN_BYTES,
     max_text_size: Optional[int] = None,
     max_binary_size: Optional[int] = None,
     falliable_allocations: bool = False,