diff --git a/doc/release_notes.rst b/doc/release_notes.rst
index 0db87da..9bcb261 100644
--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -2,7 +2,12 @@
 desimodel Release Notes
 =======================
 
-0.9.1 (unreleased)
+0.9.2 (unreleased)
+------------------
+
+* No changes yet.
+
+0.9.1 (2017-11-10)
 ------------------
 
 * Extracts wavelength coverage from specpsf files into params dictionary (`PR#68`_).
diff --git a/py/desimodel/_version.py b/py/desimodel/_version.py
index 448ccc9..8969d49 100644
--- a/py/desimodel/_version.py
+++ b/py/desimodel/_version.py
@@ -1 +1 @@
-__version__ = '0.9.0.dev307'
+__version__ = '0.9.1'