diff --git a/pkgs/by-name/xs/xss-lock/package.nix b/pkgs/by-name/xs/xss-lock/package.nix
index 4e8931f6e068..a955fff286f9 100644
--- a/pkgs/by-name/xs/xss-lock/package.nix
+++ b/pkgs/by-name/xs/xss-lock/package.nix
@@ -37,6 +37,13 @@ stdenv.mkDerivation {
     xcbutil
   ];
 
+  # See https://github.com/NixOS/nixpkgs/issues/445447
+  postPatch = ''
+    substituteInPlace CMakeLists.txt --replace-fail \
+      "cmake_minimum_required(VERSION 2.8)" \
+      "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   passthru.tests = { inherit (nixosTests) xss-lock; };
 
   meta = with lib; {