diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9feee9f..70fb295 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [v0.5.1] - 2024-11-21
+
+### Added
+* `__version__` attribute on the top-level package object
+
+### Changed
+* Parameter `signal_column` in `compute_pixel_statistics` is now `channel_column`.
+
 ## [v0.5.0] - 2024-11-21
 
 ### Added
diff --git a/gertils/__init__.py b/gertils/__init__.py
index d1686ba..6bc99c7 100644
--- a/gertils/__init__.py
+++ b/gertils/__init__.py
@@ -16,3 +16,6 @@
     RegionalPixelStatistics,
     compute_pixel_statistics,
 )
+
+__version__ = "0.5.1"
+
diff --git a/gertils/pixel_value_statistics.py b/gertils/pixel_value_statistics.py
index fc42277..904945f 100644
--- a/gertils/pixel_value_statistics.py
+++ b/gertils/pixel_value_statistics.py
@@ -113,7 +113,7 @@ def from_image(
         pt="Center of region to measure",
         channels="Channels of image in which to measure pixels",
         diameter="Size (width and height) of region around point in which to measure pixels",
-        signal_column="Name for the field/column in which to store channel from which pixels were taken",
+        channel_column="Name for the field/column in which to store channel from which pixels were taken",
     ),
     returns="List of records, each mapping key/field to value",
 )
@@ -123,7 +123,7 @@ def compute_pixel_statistics(  # noqa: D103
     *,
     channels: Iterable[ImagingChannel],
     diameter: int,
-    signal_column: str,
+    channel_column: str,
 ) -> list[dict[str, Numeric]]:
     left: int = round(pt.x - diameter / 2)
     right: int = left + diameter
@@ -140,5 +140,5 @@ def compute_pixel_statistics(  # noqa: D103
     for ch in channels:
         subimg = img[ch.get, :, max(0, top) : bottom, max(0, left) : right]
         stats = RegionalPixelStatistics.from_image(subimg, central_z=pt.z)
-        result.append({signal_column: ch.get, **bounds, **stats.to_dict})
+        result.append({channel_column: ch.get, **bounds, **stats.to_dict})
     return result
diff --git a/pyproject.toml b/pyproject.toml
index 3ce9ac5..c9d4782 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "gertils"
-version = "0.5.0"
+version = "0.5.1"
 description = "General computing utilities for data processing and analysis in the Gerlich group at IMBA"
 authors = [
     "Vince Reuter <vince.reuter@gmail.com>",