diff --git a/CITATION.cff b/CITATION.cff
index 7216e71..ee36ed8 100644
--- a/CITATION.cff
+++ b/CITATION.cff
@@ -36,8 +36,8 @@ url: 'https://pytmd.readthedocs.io'
 repository: 'https://pypi.org/project/pyTMD'
 repository-artifact: 'https://anaconda.org/conda-forge/pytmd'
 doi: "10.5281/zenodo.5555395"
-version: "2.1.9"
-date-released: "2024-12-19"
+version: "2.2.0"
+date-released: "2024-12-20"
 keywords:
   - Ocean Tides
   - Load Tides
diff --git a/doc/source/release_notes/release-v2.2.0.rst b/doc/source/release_notes/release-v2.2.0.rst
new file mode 100644
index 0000000..8198fe5
--- /dev/null
+++ b/doc/source/release_notes/release-v2.2.0.rst
@@ -0,0 +1,7 @@
+##################
+`Release v2.2.0`__
+##################
+
+* ``fix``: "unsupported operand type(s) for | error" `(#373) <https://github.com/tsutterley/pyTMD/pull/373>`_
+
+.. __: https://github.com/tsutterley/pyTMD/releases/tag/2.2.0
diff --git a/version.txt b/version.txt
index 63a1a1c..ccbccc3 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.1.9
+2.2.0