diff --git a/pkgs/development/libraries/utf8cpp/default.nix b/pkgs/development/libraries/utf8cpp/default.nix
index 30129992c73d..a6d9628a6c38 100644
--- a/pkgs/development/libraries/utf8cpp/default.nix
+++ b/pkgs/development/libraries/utf8cpp/default.nix
@@ -2,20 +2,18 @@
 
 stdenv.mkDerivation rec {
   pname = "utf8cpp";
-  version = "3.1.2";
+  version = "3.2.1";
 
   src = fetchFromGitHub {
     owner = "nemtrif";
     repo = "utfcpp";
     rev = "v${version}";
     fetchSubmodules = true;
-    sha256 = "sha256-l5sneFsuvPDIRni2x+aR9fmQ9bzXNnIiP9EzZ63sNtg=";
+    sha256 = "0gsbwif97i025bxgyax4fbf6v9z44zrca4s6wwd8x36ac8qzjppf";
   };
 
   cmakeFlags = [
-    "-DCMAKE_BUILD_TYPE=None"
     "-DCMAKE_INSTALL_LIBDIR=lib"
-    "-DINSTALL_GTEST=OFF"
   ];
 
   nativeBuildInputs = [ cmake ];
@@ -25,7 +23,7 @@ stdenv.mkDerivation rec {
   meta = with lib; {
     homepage = "https://github.com/nemtrif/utfcpp";
     description = "UTF-8 with C++ in a Portable Way";
-    license = licenses.free;
+    license = licenses.boost;
     maintainers = with maintainers; [ jobojeha ];
     platforms = platforms.all;
   };