-#Source0Download: http://code.google.com/p/libass/downloads/list
-Source0: http://libass.googlecode.com/files/%{name}-%{version}.tar.bz2
-# Source0-md5: f9042884397002ba40aa89dc7d34f59f
-URL: http://code.google.com/p/libass/
-BuildRequires: enca-devel
-BuildRequires: fontconfig-devel >= 2.4.2
-BuildRequires: freetype-devel >= 1:2.4.0
+#Source0Download: https://github.com/libass/libass/releases
+Source0: https://github.com/libass/libass/releases/download/%{version}/%{name}-%{version}.tar.xz
+# Source0-md5: 43b5f379e70b3aef15b2435e21e5b73c
+URL: https://github.com/libass/libass/
+BuildRequires: autoconf >= 2.50
+BuildRequires: automake
+BuildRequires: fontconfig-devel >= 1:2.10.92
+BuildRequires: fribidi-devel >= 0.19.0
+# pkgconfig(freetype2) >= 9.10.3
+BuildRequires: freetype-devel >= 1:2.2.1
+BuildRequires: harfbuzz-devel >= 0.9.5
+BuildRequires: libtool >= 2:2