diff --git a/pkgs/by-name/lz/lzfse/package.nix b/pkgs/by-name/lz/lzfse/package.nix
index ce89b500accd..9facc49afec3 100644
--- a/pkgs/by-name/lz/lzfse/package.nix
+++ b/pkgs/by-name/lz/lzfse/package.nix
@@ -18,6 +18,14 @@ stdenv.mkDerivation (finalAttrs: {
 
   nativeBuildInputs = [ cmake ];
 
+  # Fix the build with CMake 4.
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail \
+        'cmake_minimum_required(VERSION 2.8.6)' \
+        'cmake_minimum_required(VERSION 3.10)'
+  '';
+
   meta = {
     homepage = "https://github.com/lzfse/lzfse";
     description = "Reference C implementation of the LZFSE compressor";