diff --git a/pkgs/by-name/gt/gt/package.nix b/pkgs/by-name/gt/gt/package.nix
index 703df6551d1e..8d0aedb32a20 100644
--- a/pkgs/by-name/gt/gt/package.nix
+++ b/pkgs/by-name/gt/gt/package.nix
@@ -22,6 +22,11 @@ stdenv.mkDerivation (finalAttrs: {
 
   sourceRoot = "${finalAttrs.src.name}/source";
 
+  postPatch = ''
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "cmake_minimum_required(VERSION 2.8)" "cmake_minimum_required(VERSION 3.10)"
+  '';
+
   preConfigure = ''
     cmakeFlagsArray+=("-DBASH_COMPLETION_COMPLETIONSDIR=$out/share/bash-completions/completions")
   '';