diff --git a/doc/source/release_notes/release-v2.1.3.rst b/doc/source/release_notes/release-v2.1.3.rst
index ed99b0f5..9880e36b 100644
--- a/doc/source/release_notes/release-v2.1.3.rst
+++ b/doc/source/release_notes/release-v2.1.3.rst
@@ -2,8 +2,8 @@
 `Release v2.1.3`__
 ##################
 
-- ``fix``: extract masked longitudes from FES2022 for `#309 <https://github.com/tsutterley/pyTMD/issues/309>`_ (`#311 <https://github.com/tsutterley/pyTMD/pull/311>`_)
-- ``feat``: add JSON definition file parsing for `#310 <https://github.com/tsutterley/pyTMD/issues/310>`_ (`#312 <https://github.com/tsutterley/pyTMD/pull/312>`_)
-- ``docs``: bump ``docutils`` to latest (`#312 <https://github.com/tsutterley/pyTMD/pull/312>`_)
+* ``fix``: extract masked longitudes from FES2022 for `#309 <https://github.com/tsutterley/pyTMD/issues/309>`_ (`#311 <https://github.com/tsutterley/pyTMD/pull/311>`_)
+* ``feat``: add JSON definition file parsing for `#310 <https://github.com/tsutterley/pyTMD/issues/310>`_ (`#312 <https://github.com/tsutterley/pyTMD/pull/312>`_)
+* ``docs``: bump ``docutils`` to latest (`#312 <https://github.com/tsutterley/pyTMD/pull/312>`_)
 
 .. __: https://github.com/tsutterley/pyTMD/releases/tag/2.1.3
diff --git a/doc/source/release_notes/release-v2.1.4.rst b/doc/source/release_notes/release-v2.1.4.rst
index 6f1c566e..0c2ca74b 100644
--- a/doc/source/release_notes/release-v2.1.4.rst
+++ b/doc/source/release_notes/release-v2.1.4.rst
@@ -2,12 +2,12 @@
 `Release v2.1.4`__
 ##################
 
-- ``feat``: added crop and bounds keywords for trimming model data for `#95 <https://github.com/tsutterley/pyTMD/issues/309>`_ (`#313 <https://github.com/tsutterley/pyTMD/pull/313>`_)
-- ``fix``: ``FES2022-extrapolated`` outputs have zeroed out inland water bodies for `#309 <https://github.com/tsutterley/pyTMD/issues/309>`_ (`#314 <https://github.com/tsutterley/pyTMD/pull/314>`_)
-- ``feat``: added option to use JSON format definition files (`#314 <https://github.com/tsutterley/pyTMD/pull/314>`_)
-- ``feat``: add definition files for ``FES2022-extrapolated`` (`#314 <https://github.com/tsutterley/pyTMD/pull/314>`_)
-- ``docs``: update definition file text describing new JSON format (`#315 <https://github.com/tsutterley/pyTMD/pull/315>`_)
-- ``feat``: include crop in notebook demos (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
-- ``refactor``: use ``timescale`` in notebook demos for temporal operations (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``feat``: added crop and bounds keywords for trimming model data for `#95 <https://github.com/tsutterley/pyTMD/issues/309>`_ (`#313 <https://github.com/tsutterley/pyTMD/pull/313>`_)
+* ``fix``: ``FES2022-extrapolated`` outputs have zeroed out inland water bodies for `#309 <https://github.com/tsutterley/pyTMD/issues/309>`_ (`#314 <https://github.com/tsutterley/pyTMD/pull/314>`_)
+* ``feat``: added option to use JSON format definition files (`#314 <https://github.com/tsutterley/pyTMD/pull/314>`_)
+* ``feat``: add definition files for ``FES2022-extrapolated`` (`#314 <https://github.com/tsutterley/pyTMD/pull/314>`_)
+* ``docs``: update definition file text describing new JSON format (`#315 <https://github.com/tsutterley/pyTMD/pull/315>`_)
+* ``feat``: include crop in notebook demos (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``refactor``: use ``timescale`` in notebook demos for temporal operations (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
 
 .. __: https://github.com/tsutterley/pyTMD/releases/tag/2.1.4
diff --git a/doc/source/release_notes/release-v2.1.5.rst b/doc/source/release_notes/release-v2.1.5.rst
new file mode 100644
index 00000000..4bc873be
--- /dev/null
+++ b/doc/source/release_notes/release-v2.1.5.rst
@@ -0,0 +1,32 @@
+##################
+`Release v2.1.5`__
+##################
+
+* ``feat``: adding GOT5.5 and GOT download program (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``refactor``: renamed format for ``ATLAS`` to ``ATLAS-compact`` (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``refactor``: renamed format for ``netcdf`` to ``ATLAS-netcdf`` (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``refactor``: renamed format for ``FES`` to ``FES-netcdf`` and added ``FES-ascii`` (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``refactor``: renamed format for ``GOT`` to ``GOT-ascii`` and added ``GOT-netcdf`` (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``feat``: add JSON definition files for GOT5.5D and GOT5.6 (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``feat``: add support for constituents in PERTH5 tables (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``ci``: use upstream matlab TMD for OTIS comparison (`#316 <https://github.com/tsutterley/pyTMD/pull/316>`_)
+* ``feat``: include inference of ``eps2`` and ``eta2`` with GOT models (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``feat``: add attribute for minor constituents to model object (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``feat``: allow inferring only specific minor constituents (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``feat``: allow searching over iterable ``glob`` strings in definition files for `#318 <https://github.com/tsutterley/pyTMD/issues/318>`_ (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``feat``: add option to auto-detect definition file format for `#318 <https://github.com/tsutterley/pyTMD/issues/318>`_ (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``feat``: add back nodal arguments from PERTH3 for backwards compatibility (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``chore``: trim trim trailing whitespace (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``docs``: add GOT5.5 to getting started (`#319 <https://github.com/tsutterley/pyTMD/pull/319>`_)
+* ``refactor``: change ``'geotiff'`` to ``'GTiff'`` and ``'cog'`` for `#320 <https://github.com/tsutterley/pyTMD/issues/320>`_ (`#321 <https://github.com/tsutterley/pyTMD/pull/321>`_)
+* ``chore``: create ``pyproject.toml`` (`#321 <https://github.com/tsutterley/pyTMD/pull/321>`_)
+* ``refactor``: modernize build with ``pyproject.toml`` (`#322 <https://github.com/tsutterley/pyTMD/pull/322>`_)
+* ``feat``: add functions to calculate pole tides in cartesian coordinates for `#323 <https://github.com/tsutterley/pyTMD/issues/323>`_ (`#324 <https://github.com/tsutterley/pyTMD/pull/324>`_)
+* ``refactor``: renamed io for Desai ocean pole tide file to ``IERS`` (`#324 <https://github.com/tsutterley/pyTMD/pull/324>`_)
+* ``docs``: update prediction functions (`#324 <https://github.com/tsutterley/pyTMD/pull/324>`_)
+* ``fix``: don't overwrite ocean pole tide longitude in shift (`#325 <https://github.com/tsutterley/pyTMD/pull/325>`_)
+* ``test``: add more ocean pole tide verifications (`#325 <https://github.com/tsutterley/pyTMD/pull/325>`_)
+* ``feat``: add ECEF to ENU conversions (`#326 <https://github.com/tsutterley/pyTMD/pull/326>`_)
+* ``refactor``: use rotation matrix to convert from cartesian to spherical (`#326 <https://github.com/tsutterley/pyTMD/pull/326>`_)
+
+.. __: https://github.com/tsutterley/pyTMD/releases/tag/2.1.5
diff --git a/version.txt b/version.txt
index 7d2ed7c7..cd57a8b9 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.1.4
+2.1.5