diff --git a/unison.spec b/unison.spec
index f3f0c27..f743ab7 100644
--- a/unison.spec
+++ b/unison.spec
@@ -37,13 +37,14 @@ Source1:        %pkg.desktop
 BuildRequires:  ocaml(ocaml_base_version) >= 4.08
 BuildRequires:  ocaml-rpm-macros >= 20230101
 %if "%build_flavor" == "doc"
+%if %suse_version > 1500 || 0%?sle_version > 150300
 BuildRequires:  hevea
 BuildRequires:  lynx
+%endif
 BuildRequires:  texlive-dvips
 BuildRequires:  texlive-latex
 %else
 BuildRequires:  ocaml-dune >= 2.3
-BuildRequires:  ocamlfind(findlib)
 BuildRequires:  ocamlfind(lablgtk3)
 BuildRequires:  pkgconfig(ncursesw)
 %if 0%{?suse_version} > 0
@@ -87,9 +88,12 @@ dune_release_pkgs='unison,unison-gui,unison-fsmonitor'
 %endif
 
 %install
+> files
 %if "%build_flavor" == "doc"
 mkdir -vp %buildroot%_mandir/man1
 cp -avt %buildroot%_mandir/man1 man/%pkg.1
+test -f doc/%pkg-manual.html && echo "%%doc $_" >> files
+test -f doc/%pkg-manual.pdf  && echo "%%doc $_" >> files
 %else
 %ocaml_dune_install
 %ocaml_create_file_list
@@ -105,10 +109,9 @@ install -m 644 -D %{SOURCE1} %buildroot/%_datadir/applications/%name.desktop
 %endif
 %endif
 
-%files
+%files -f files
 %defattr(-,root,root,-)
 %if "%build_flavor" == "doc"
-%doc doc/%pkg-manual.html doc/%pkg-manual.pdf
 %_mandir/man1/%pkg.*
 %else
 %doc src/COPYING