diff --git a/lib/systems/examples.nix b/lib/systems/examples.nix
index 8d9c09561ddb..2a067663f98c 100644
--- a/lib/systems/examples.nix
+++ b/lib/systems/examples.nix
@@ -313,6 +313,11 @@ rec {
     libc = "msvcrt"; # This distinguishes the mingw (non posix) toolchain
   };
 
+  ucrt64 = {
+    config = "x86_64-w64-mingw32";
+    libc = "ucrt"; # This distinguishes the mingw (non posix) toolchain
+  };
+
   # BSDs
 
   x86_64-freebsd = {
diff --git a/pkgs/os-specific/windows/mingw-w64/default.nix b/pkgs/os-specific/windows/mingw-w64/default.nix
index 221bcd8e89f2..3bfc7a58e727 100644
--- a/pkgs/os-specific/windows/mingw-w64/default.nix
+++ b/pkgs/os-specific/windows/mingw-w64/default.nix
@@ -36,6 +36,8 @@ in stdenv.mkDerivation {
   configureFlags = [
     "--enable-idl"
     "--enable-secure-api"
+  ] ++ lib.optionals (stdenv.targetPlatform.libc == "ucrt") [
+    "--with-default-msvcrt=ucrt"
   ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index fb8c59f624a0..deaf1bc990dd 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21762,6 +21762,7 @@ with pkgs;
     else if name == "newlib-nano" then targetPackages.newlib-nanoCross or newlib-nanoCross
     else if name == "musl" then targetPackages.muslCross or muslCross
     else if name == "msvcrt" then targetPackages.windows.mingw_w64 or windows.mingw_w64
+    else if name == "ucrt" then targetPackages.windows.mingw_w64 or windows.mingw_w64
     else if name == "libSystem" then
       if stdenv.targetPlatform.useiOSPrebuilt
       then targetPackages.darwin.iosSdkPkgs.libraries or darwin.iosSdkPkgs.libraries