diff --git a/doc/source/release_notes/release-v2.1.3.rst b/doc/source/release_notes/release-v2.1.3.rst
new file mode 100644
index 00000000..ed99b0f5
--- /dev/null
+++ b/doc/source/release_notes/release-v2.1.3.rst
@@ -0,0 +1,9 @@
+##################
+`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>`_)
+
+.. __: https://github.com/tsutterley/pyTMD/releases/tag/2.1.3
diff --git a/version.txt b/version.txt
index eca07e4c..ac2cdeba 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-2.1.2
+2.1.3