diff --git a/pkgs/development/libraries/irrlicht/common.nix b/pkgs/development/libraries/irrlicht/common.nix
index f330c30fda11..becfde842993 100644
--- a/pkgs/development/libraries/irrlicht/common.nix
+++ b/pkgs/development/libraries/irrlicht/common.nix
@@ -2,10 +2,10 @@
 
 rec {
   pname = "irrlicht";
-  version = "1.8.4";
+  version = "1.8.5";
 
   src = fetchzip {
     url = "mirror://sourceforge/irrlicht/${pname}-${version}.zip";
-    sha256 = "02sq067fn4xpf0lcyb4vqxmm43qg2nxx770bgrl799yymqbvih5f";
+    hash = "sha256-cTkzxquMLl84/cSDZnSSQsmXRX/htV8M5NUTbnQuHoM=";
   };
 }
diff --git a/pkgs/development/libraries/irrlicht/mac.nix b/pkgs/development/libraries/irrlicht/mac.nix
index b99806505961..2d077a2924d8 100644
--- a/pkgs/development/libraries/irrlicht/mac.nix
+++ b/pkgs/development/libraries/irrlicht/mac.nix
@@ -43,5 +43,6 @@ stdenv.mkDerivation {
     license = lib.licenses.zlib;
     description = "Open source high performance realtime 3D engine written in C++";
     platforms = lib.platforms.darwin;
+    broken = true;
   };
 }