diff --git a/nix/pkgs/pacemaker.nix b/nix/pkgs/pacemaker.nix
index e9feb5c..51f38ae 100644
--- a/nix/pkgs/pacemaker.nix
+++ b/nix/pkgs/pacemaker.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
-, autoreconfHook
+, autoconf
+, automake
 , bash
 , bzip2
 , corosync
@@ -27,17 +28,18 @@
 
 stdenv.mkDerivation rec {
   pname = "pacemaker";
-  version = "2.0.5";
+  version = "2.1.1";
 
   src = fetchFromGitHub {
     owner = "ClusterLabs";
     repo = pname;
     rev = "Pacemaker-${version}";
-    sha256 = "1wrdqdxbdl506ry6i5zqwmf66ms96hx2h6rn4jzpi5w13wg8sbm4";
+    sha256 = "0grzw3yv6l8l83pi0pdn1fps3qh7hk3fl2xbv3vx1ixri29m3438";
   };
 
   nativeBuildInputs = [
-    autoreconfHook
+    autoconf
+    automake
     libtool
     pkg-config
   ];
@@ -57,6 +59,8 @@ stdenv.mkDerivation rec {
     python3
   ];
 
+  preConfigure = "./autogen.sh";
+
   configureFlags = [
     "--exec-prefix=${placeholder "out"}"
     "--sysconfdir=/etc"