diff --git a/libiptcdata.spec b/libiptcdata.spec
index 4d56fd3..61da8bf 100644
--- a/libiptcdata.spec
+++ b/libiptcdata.spec
@@ -12,7 +12,10 @@ License: LGPLv2+
 URL: http://libiptcdata.sourceforge.net/
 Source0: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
+BuildRequires: autoconf
+BuildRequires: automake
 BuildRequires: gettext
+BuildRequires: gettext-devel
 BuildRequires: libtool
 BuildRequires: gtk-doc
 
@@ -51,6 +54,9 @@ metadata in images.
 
 %prep
 %setup -q
+# fix compatibility with gtk-doc 1.26
+gtkdocize
+autoreconf -fiv
 
 %build
 %configure --enable-gtk-doc --enable-python --disable-static