-BuildRequires: alex >= 2.0, happy >= 1.14, ghc >= 5, haddock, docbook-dtd, docbook-xsl-stylesheets, libxslt, libxml2, fop, xmltex, dvips, gmp, readline-devel, mesaglut-devel
+BuildRequires: alex >= 2.0, happy >= 1.15, ghc >= 5, haddock, docbook-dtd, docbook-xsl-stylesheets, libxslt, libxml2, fop, xmltex, dvips, gmp, readline-devel, mesaglut-devel