diff --git a/pkgs/by-name/kc/kcp/package.nix b/pkgs/by-name/kc/kcp/package.nix
index b939e335718e..e2733a5c925b 100644
--- a/pkgs/by-name/kc/kcp/package.nix
+++ b/pkgs/by-name/kc/kcp/package.nix
@@ -18,6 +18,11 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake ];
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "CMAKE_MINIMUM_REQUIRED(VERSION 2.6)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   meta = with lib; {
     description = "Fast and Reliable ARQ Protocol";
     homepage = "https://github.com/skywind3000/kcp";