diff --git a/pkgs/by-name/bu/bullet/package.nix b/pkgs/by-name/bu/bullet/package.nix
index 287716871294..ed90d083b421 100644
--- a/pkgs/by-name/bu/bullet/package.nix
+++ b/pkgs/by-name/bu/bullet/package.nix
@@ -2,6 +2,7 @@
   lib,
   stdenv,
   fetchFromGitHub,
+  fetchpatch,
   cmake,
   libGLU,
   libGL,
@@ -26,6 +27,14 @@ stdenv.mkDerivation rec {
     libglut
   ];
 
+  patches = [
+    # fix for CMake v4, merged upstream
+    (fetchpatch {
+      url = "https://github.com/bulletphysics/bullet3/commit/d1a4256b3a019117f2bb6cb8c63d6367aaf512e2.patch";
+      hash = "sha256-FklMKYw5dKUcR5kZOkqv+KVLcWL/7r/0SAdYolmrn5A=";
+    })
+  ];
+
   postPatch = ''
     substituteInPlace examples/ThirdPartyLibs/Gwen/CMakeLists.txt \
       --replace "-DGLEW_STATIC" "-DGLEW_STATIC -Wno-narrowing"