diff --git a/NEWS.rst b/NEWS.rst
index ad390e1..424c265 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -7,6 +7,14 @@ The format is based on `Keep a Changelog`_,
 and this project adheres to `Semantic Versioning`_.
 
 
+Version 0.5.1 (2019-08-13)
+--------------------------
+
+* Added: equation numbers in documentation (#16)
+* Changed: subset of tests for sphinx<=1.6 (#23)
+* Changed: several improvements to documentation
+
+
 Version 0.5.0 (2019-07-25)
 --------------------------
 
diff --git a/sphinxcontrib/katex.py b/sphinxcontrib/katex.py
index cd50a30..21d4f90 100644
--- a/sphinxcontrib/katex.py
+++ b/sphinxcontrib/katex.py
@@ -23,7 +23,7 @@
 from sphinx.util.osutil import copyfile
 
 
-__version__ = '0.5.0'
+__version__ = '0.5.1'
 katex_version = '0.10.2'
 filename_css = 'katex-math.css'
 filename_autorenderer = 'katex_autorenderer.js'