diff --git a/.gitignore b/.gitignore
index 64e87e8..98dc492 100644
--- a/.gitignore
+++ b/.gitignore
@@ -309,3 +309,4 @@ calibre-0.7.14-nofonts.tar.xz
 /test
 /calibre-4.19.0.tar.xz
 /calibre-4.22.0.tar.xz
+/calibre-4.23.0.tar.xz
diff --git a/calibre.spec b/calibre.spec
index abac6e2..3556a13 100644
--- a/calibre.spec
+++ b/calibre.spec
@@ -5,7 +5,7 @@
 %global _python_bytecompile_extra 0
 
 Name:           calibre
-Version:        4.22.0
+Version:        4.23.0
 Release:        1%{?dist}
 Summary:        E-book converter and library manager
 License:        GPLv3
@@ -345,6 +345,9 @@ fi
 %{_datadir}/metainfo/*.appdata.xml
 
 %changelog
+* Sun Aug 30 2020 Kevin Fenzi <kevin@scrye.com> - 4.23.0-1
+- Update to 4.23.0
+
 * Sun Aug 02 2020 Kevin Fenzi <kevin@scrye.com> - 4.22.0-1
 - Update to 4.22.0.
 - Use bundled mathjax for now until fedora moves to 3.0.0
diff --git a/sources b/sources
index aa0ab7a..caeb7cb 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (calibre-4.22.0.tar.xz) = b9db1c72cf010c25563e3f86a75478ac872249034b3c8b09bb8f0c2519487bb78dea821c9e45564fb645d17431bbee96459a28ee036e57830faedea4cd94b423
+SHA512 (calibre-4.23.0.tar.xz) = 2a512f29ddc2fed7f6a229314a9f7fceac198c9422b3be19078685032f1d1cb3b9258ac2609c33d15da20683c1277ed09419ea1e9bbc70430cdc676f60395719