diff --git a/pkgs/os-specific/linux/batman-adv/alfred.nix b/pkgs/os-specific/linux/batman-adv/alfred.nix
index 605334e12a10..390b0c9e4b47 100644
--- a/pkgs/os-specific/linux/batman-adv/alfred.nix
+++ b/pkgs/os-specific/linux/batman-adv/alfred.nix
@@ -1,14 +1,14 @@
 { stdenv, fetchurl, pkgconfig, gpsd, libcap, libnl }:
 
 let
-  ver = "2018.3";
+  ver = "2018.4";
 in
 stdenv.mkDerivation rec {
   name = "alfred-${ver}";
 
   src = fetchurl {
     url = "https://downloads.open-mesh.org/batman/releases/batman-adv-${ver}/${name}.tar.gz";
-    sha256 = "06lbyac0w48jkxpji9pgkxnwcrwbzs2dwzfgw2vfr1lix6ivhrb2";
+    sha256 = "0n6cw6inkzlgz8p6jcc83npqjmvhxp4qsh2dhbiv88ax3lh9arcd";
   };
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/os-specific/linux/batman-adv/default.nix b/pkgs/os-specific/linux/batman-adv/default.nix
index 4a98b4f169dd..744d42ea9fd4 100644
--- a/pkgs/os-specific/linux/batman-adv/default.nix
+++ b/pkgs/os-specific/linux/batman-adv/default.nix
@@ -1,13 +1,13 @@
 { stdenv, fetchurl, kernel }:
 
-let base = "batman-adv-2018.2"; in
+let base = "batman-adv-2018.4"; in
 
 stdenv.mkDerivation rec {
   name = "${base}-${kernel.version}";
 
   src = fetchurl {
     url = "http://downloads.open-mesh.org/batman/releases/${base}/${base}.tar.gz";
-    sha256 = "1jdqlbn8mp9rycbnkgjsb98pb2c7jzw9mm30d3iga69ycwk5dqyq";
+    sha256 = "0ka80l3ajfzi9plq50m79d2qpm1rlir4js5hy3g1mkj1gnyb801m";
   };
 
   nativeBuildInputs = kernel.moduleBuildDependencies;