%{?with_apidocs:BuildRequires: gtk-doc >= 1.13}
BuildRequires: intltool >= 0.40.0
BuildRequires: libicu-devel >= 4.8
-# C++20 support (-std=gnu++2a)
-BuildRequires: libstdc++-devel >= 6:8.0
+# C++20 support (-std=gnu++2a, char8_t)
+BuildRequires: libstdc++-devel >= 6:9.0
BuildRequires: libxml2-progs >= 2
-BuildRequires: meson >= 0.50.0
+BuildRequires: meson >= 0.55.0
BuildRequires: ninja >= 1.5
BuildRequires: pango-devel >= 1:1.22.0
BuildRequires: pcre2-8-devel >= 10.21