diff --git a/harfbuzz.spec b/harfbuzz.spec
index 9e5ccf5..125f11f 100644
--- a/harfbuzz.spec
+++ b/harfbuzz.spec
@@ -1,5 +1,5 @@
 Name:          harfbuzz
-Version:       2.6.4
+Version:       2.6.6
 Release:       1mamba
 Summary:       An OpenType text shaping library
 Group:         System/Libraries
@@ -7,7 +7,8 @@ Vendor:        openmamba
 Distribution:  openmamba
 Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.freedesktop.org/wiki/Software/HarfBuzz
-Source:        http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-%{version}.tar.xz
+Source:        https://github.com/harfbuzz/harfbuzz/releases/download/%{version}/harfbuzz-%{version}.tar.xz
+#Source:        http://www.freedesktop.org/software/harfbuzz/release/harfbuzz-%{version}.tar.xz
 License:       MIT
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -116,6 +117,9 @@ This package includes the %{name} API documentation.
 %{_datadir}/gtk-doc/html/harfbuzz/*
 
 %changelog
+* Thu May 21 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.6.6-1mamba
+- update to 2.6.6
+
 * Wed Oct 30 2019 Automatic Build System <autodist@mambasoft.it> 2.6.4-1mamba
 - automatic version update by autodist