diff --git a/pkgs/os-specific/linux/batman-adv/default.nix b/pkgs/os-specific/linux/batman-adv/default.nix
index 8407f270f484..341b6f3af1d5 100644
--- a/pkgs/os-specific/linux/batman-adv/default.nix
+++ b/pkgs/os-specific/linux/batman-adv/default.nix
@@ -2,14 +2,14 @@
 
 assert stdenv.lib.versionOlder kernel.version "3.17";
 
-let base = "batman-adv-2014.3.0"; in
+let base = "batman-adv-2014.4.0"; in
 
 stdenv.mkDerivation rec {
   name = "${base}-${kernel.version}";
 
   src = fetchurl {
     url = "http://downloads.open-mesh.org/batman/releases/${base}/${base}.tar.gz";
-    sha1 = "wh3if8v4wfwskvzwqsjsyr929krzfmsx";
+    sha256 = "757b9ddd346680f6fd87dc28fde6da0ddc0423a65fbc88fdbaa7b247fed2c1a8";
   };
 
   preBuild = ''
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     homepage = http://www.open-mesh.org/projects/batman-adv/wiki/Wiki;
     description = "B.A.T.M.A.N. routing protocol in a linux kernel module for layer 2";
     license = stdenv.lib.licenses.gpl2;
-    maintainers = with stdenv.lib.maintainers; [viric];
+    maintainers = with stdenv.lib.maintainers; [ viric fpletz ];
     platforms = with stdenv.lib.platforms; linux;
   };
 }