1 files changed, 5 insertions, 2 deletions
diff --git a/pkgs/development/libraries/nlohmann_json/default.nix b/pkgs/development/libraries/nlohmann_json/default.nix
index 129cc7ed84c..3a51c2ec72b 100644
--- a/pkgs/development/libraries/nlohmann_json/default.nix
+++ b/pkgs/development/libraries/nlohmann_json/default.nix
@@ -3,13 +3,13 @@
 
 stdenv.mkDerivation rec {
   pname = "nlohmann_json";
-  version = "3.6.1";
+  version = "3.7.0";
 
   src = fetchFromGitHub {
     owner = "nlohmann";
     repo = "json";
     rev = "v${version}";
-    sha256 = "1dgx3j9pb0f52dh73z8dpwdy79bra1qi5vpl66b9inq4gamf813z";
+    sha256 = "0v7xih4zjixxxfvkfbs7a8j9qcvpwlsv4vrkbyns3hc7b44nb8ap";
   };
 
   nativeBuildInputs = [ cmake ];
@@ -18,10 +18,13 @@ stdenv.mkDerivation rec {
 
   cmakeFlags = [
     "-DBuildTests=${if doCheck then "ON" else "OFF"}"
+    "-DJSON_MultipleHeaders=ON"
   ];
 
   doCheck = stdenv.hostPlatform == stdenv.buildPlatform;
 
+  postInstall = "rm -rf $out/lib64";
+
   meta = with stdenv.lib; {
     description = "Header only C++ library for the JSON file format";
     homepage = https://github.com/nlohmann/json;