diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index bc60400146d8..80ce415ca80f 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -4,11 +4,11 @@
 }:
 
 stdenv.mkDerivation rec {
-  name = "systemd-185";
+  name = "systemd-186";
 
   src = fetchurl {
     url = "http://www.freedesktop.org/software/systemd/${name}.tar.xz";
-    sha256 = "1iwp41xvpq0x2flhhs8lpyjbfyg1220ahmy7037zdjy26w9g82br";
+    sha256 = "0zmj8r7a1xb5f3lvyfgw7095rq3yvr0ibw1730j54blm07sh3hmj";
   };
 
   buildInputs =