diff --git a/pkgs/applications/blockchains/clightning/default.nix b/pkgs/applications/blockchains/clightning/default.nix
index 27e2fea2845e..8e87610e03fc 100644
--- a/pkgs/applications/blockchains/clightning/default.nix
+++ b/pkgs/applications/blockchains/clightning/default.nix
@@ -3,11 +3,11 @@
 , darwin
 , fetchurl
 , autoconf
-, automake
 , autogen
+, automake
 , gettext
 , libtool
-, pkg-config
+, protobuf
 , unzip
 , which
 , gmp
@@ -17,25 +17,34 @@
 , zlib
 }:
 let
-  py3 = python3.withPackages (p: [ p.Mako p.mrkd ]);
+  py3 = python3.withPackages (p: [ p.Mako ]);
 in
 stdenv.mkDerivation rec {
   pname = "clightning";
-  version = "0.11.2";
+  version = "0.12.0";
 
   src = fetchurl {
     url = "https://github.com/ElementsProject/lightning/releases/download/v${version}/clightning-v${version}.zip";
-    sha256 = "09qqfnj809dpwar9ijm3ic5cv4019hsnvh2h6sfpdqp1smf9igxs";
+    sha256 = "1ff400339db3d314b459e1a3e973f1213783e814faa21f2e1b18917693cabfd9";
+  };
+
+  manpages = fetchurl {
+    url = "https://github.com/ElementsProject/lightning/releases/download/v${version}/clightning-v${version}-manpages.tar.xz";
+    sha256 = "sha256-7EohXp0/gIJwlMsTHwlcLNBzZb8LwF9n0eXkQhOnY7g=";
   };
 
   # when building on darwin we need dawin.cctools to provide the correct libtool
   # as libwally-core detects the host as darwin and tries to add the -static
   # option to libtool, also we have to add the modified gsed package.
-  nativeBuildInputs = [ autogen autoconf automake gettext pkg-config py3 unzip which ]
-    ++ lib.optionals stdenv.isDarwin [ darwin.cctools darwin.autoSignDarwinBinariesHook ] ++ [ libtool ];
+  nativeBuildInputs = [ autoconf autogen automake gettext libtool protobuf py3 unzip which ]
+    ++ lib.optionals stdenv.isDarwin [ darwin.cctools darwin.autoSignDarwinBinariesHook ];
 
   buildInputs = [ gmp libsodium sqlite zlib ];
 
+  postUnpack = ''
+    tar -xf $manpages -C $sourceRoot
+  '';
+
   # this causes some python trouble on a darwin host so we skip this step.
   # also we have to tell libwally-core to use sed instead of gsed.
   postPatch = if !stdenv.isDarwin then ''