diff --git a/.gitignore b/.gitignore
index 8d0d22a..9b9d97e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@
 /libpng-1.6.20.tar.gz
 /libpng-1.6.21.tar.gz
 /libpng-1.6.22.tar.gz
+/libpng-1.6.23.tar.gz
diff --git a/libpng.spec b/libpng.spec
index b83c9ca..747ea9c 100644
--- a/libpng.spec
+++ b/libpng.spec
@@ -1,7 +1,7 @@
 Summary:       A library of functions for manipulating PNG image format files
 Name:          libpng
 Epoch:         2
-Version:       1.6.22
+Version:       1.6.23
 Release:       1%{?dist}
 License:       zlib
 Group:         System Environment/Libraries
@@ -110,6 +110,9 @@ make check
 %{_bindir}/pngfix
 
 %changelog
+* Wed Jun 15 2016 Petr Hracek <phracek@redhat.com> - 2:1.6.23-1
+- New upstream release 1.6.23 (#1346522)
+
 * Mon Jun 06 2016 Petr Hracek <phracek@redhat.com> - 2:1.6.22-1
 - New upstream release 1.6.22 (#1341646)
 
diff --git a/sources b/sources
index cef8e05..5bea9e6 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-4a84ef93939d18d589e8314ac742423a  libpng-1.6.22.tar.gz
+a49e4cc48d968c79def53d082809c9f2  libpng-1.6.23.tar.gz