diff --git a/pkgs/servers/xmpp/biboumi/default.nix b/pkgs/servers/xmpp/biboumi/default.nix
index 762154f018c8..74d8d9ae5208 100644
--- a/pkgs/servers/xmpp/biboumi/default.nix
+++ b/pkgs/servers/xmpp/biboumi/default.nix
@@ -1,13 +1,13 @@
 { lib, stdenv, fetchurl, fetchgit, cmake, libuuid, expat, sqlite, libidn,
-  libiconv, botan2, systemd, pkg-config, udns, pandoc, coreutils } :
+  libiconv, botan2, systemd, pkg-config, udns, coreutils, python3Packages } :
 
 stdenv.mkDerivation rec {
   pname = "biboumi";
-  version = "8.5";
+  version = "9.0";
 
   src = fetchurl {
     url = "https://git.louiz.org/biboumi/snapshot/biboumi-${version}.tar.xz";
-    sha256 = "0rn9p99iqdyvxjzjq9w0ra7pkk0mngjy65nlg3hqfdw8kq9mv5qf";
+    sha256 = "1jvygri165aknmvlinx3jb8cclny6cxdykjf8dp0a3l3228rmzqy";
   };
 
   louiz_catch = fetchgit {
@@ -18,9 +18,10 @@ stdenv.mkDerivation rec {
 
   patches = [ ./catch.patch ];
 
-  nativeBuildInputs = [ cmake pkg-config pandoc ];
+  nativeBuildInputs = [ cmake pkg-config python3Packages.sphinx ];
   buildInputs = [ libuuid expat sqlite libiconv libidn botan2 systemd
     udns ];
+  buildFlags = [ "all" "man" ];
 
   preConfigure = ''
     substituteInPlace CMakeLists.txt --replace /etc/biboumi $out/etc/biboumi