diff --git a/RELEASE.md b/RELEASE.md
index 5d83827..72c5357 100644
--- a/RELEASE.md
+++ b/RELEASE.md
@@ -1,6 +1,6 @@
 # `struct2tensor` release notes
 
-## Current version (not yet released; still in development)
+## Release 0.23.0
 
 ### Major Features and Improvements
 
@@ -9,14 +9,17 @@
 
 ### Bug Fixes and Other Changes
 
-*   Depends on `tensorflow>=2.3.0,<2.4
-*   Drop snappy support for parquet dataset.
-*   Drop py2.x support for unit tests.
+*   Depends on `tensorflow>=2.3.0,<2.4`
+*   Depends on `tensorflow-metadata>=0.23,<0.24`
 
 ### Breaking Changes
 
+*   Drop snappy support for parquet dataset.
+
 ### Deprecations
 
+*   Deprecating Py2 support.
+
 ## Release 0.22.0
 
 ### Major Features and Improvements
diff --git a/setup.py b/setup.py
index f7b6f93..89c4647 100644
--- a/setup.py
+++ b/setup.py
@@ -63,7 +63,7 @@ def has_ext_modules(self):
     install_requires=[
         'protobuf>=3.8.0,<4',
         'tensorflow>=2.3.0,<2.4',
-        'tensorflow_metadata>=0.21,<0.22',
+        'tensorflow_metadata>=0.23,<0.24',
         'pyarrow>=0.15,<1',
     ],
     # Add in any packaged data.
@@ -84,6 +84,7 @@ def has_ext_modules(self):
         'Programming Language :: Python :: 3',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3 :: Only',
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Artificial Intelligence',
         'Topic :: Scientific/Engineering :: Mathematics',
diff --git a/struct2tensor/version.py b/struct2tensor/version.py
index 9e7a345..b504b88 100644
--- a/struct2tensor/version.py
+++ b/struct2tensor/version.py
@@ -15,4 +15,4 @@
 """Contains the version string of struct2tensor."""
 
 # Note that setup.py uses this version.
-__version__ = '0.23.0dev'
+__version__ = '0.23.0'