diff --git a/pkgs/development/libraries/irrlichtmt/default.nix b/pkgs/development/libraries/irrlichtmt/default.nix
index 752bdbe7b4b9..c5d2bcf17691 100644
--- a/pkgs/development/libraries/irrlichtmt/default.nix
+++ b/pkgs/development/libraries/irrlichtmt/default.nix
@@ -15,13 +15,13 @@
 }:
 stdenv.mkDerivation rec {
   pname = "irrlichtmt";
-  version = "1.9.0mt7";
+  version = "1.9.0mt8";
 
   src = fetchFromGitHub {
     owner = "minetest";
     repo = "irrlicht";
     rev = version;
-    sha256 = "sha256-Eu7zW3mXl7GPRmLnKjt/dPoZ64HPYulI7MO1dJfj+10=";
+    sha256 = "sha256-bwpALhBk16KugYqKuN57M3t5Ba7rdyrYWn/iBoi8hpg=";
   };
 
   nativeBuildInputs = [
diff --git a/pkgs/games/minetest/default.nix b/pkgs/games/minetest/default.nix
index 36ab2bfe58d3..6191ba832630 100644
--- a/pkgs/games/minetest/default.nix
+++ b/pkgs/games/minetest/default.nix
@@ -118,18 +118,16 @@ let
       description = "Infinite-world block sandbox game";
       license = licenses.lgpl21Plus;
       platforms = platforms.linux ++ platforms.darwin;
-      maintainers = with maintainers; [ pyrolagus fpletz ];
-      # never built on Hydra
-      # https://hydra.nixos.org/job/nixpkgs/trunk/minetestclient_4.x86_64-darwin
-      # https://hydra.nixos.org/job/nixpkgs/trunk/minetestserver_4.x86_64-darwin
-      broken = (lib.versionOlder version "5.0.0") && stdenv.isDarwin;
+      maintainers = with maintainers; [ pyrolagus fpletz fgaz ];
+      # https://github.com/NixOS/nixpkgs/pull/186160#issuecomment-1212635918
+      broken = stdenv.isDarwin;
     };
   };
 
   v5 = {
-    version = "5.6.0";
-    sha256 = "sha256-wcbYcVHs4L0etOwUBjKvzsmZtnpOxpFgLV8nx3UfJQI=";
-    dataSha256 = "sha256-TVaDHYstFEuT0nBExwLE1PtM1CZh71t9CRxC9rEYTd4=";
+    version = "5.6.1";
+    sha256 = "sha256-1mUmtM09jqJhD2RcLCAjaI+JkqP52QYH3KLkY5MZ860=";
+    dataSha256 = "sha256-Ye8MihrOqjSoy+vNr/CM/C/sNXdexe08dxrmoMxsG/A=";
   };
 
   mkClient = version: generic (version // { buildClient = true; buildServer = false; });