diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 6b64564..ce5199f 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -4,9 +4,7 @@
             "name": "Linux",
             "includePath": [
                 "${workspaceFolder}/**",
-                "${workspaceFolder}/include",
-                "${workspaceFolder}/build/_deps/json-src/include/nlohmann",
-                "${workspaceFolder}/build/_deps/json-src/include"
+                "${workspaceFolder}/include"
             ],
             "defines": ["CROSSLANG_ENABLE_JSON=1","CROSSLANG_ENABLE_THREADING=1","CROSSLANG_ENABLE_FILE_IO=1","CROSSLANG_ENABLE_NETWORK=1","CROSSLANG_ENABLE_TERMIOS=1","CROSSLANG_ENABLE_MBED=1","CROSSLANG_ENABLE_SQLITE=1","CROSSLANG_ENABLE_SDL2=1","-DCROSSLANG_ENABLE_PROCESS=1"],
             "compilerPath": "/usr/bin/gcc",
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a5c1b57..16d6636 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.20)
+cmake_minimum_required(VERSION 3.16)
 
 project(TessesCrossLang VERSION 1.0)
 
diff --git a/src/runtime_methods/json.cpp b/src/runtime_methods/json.cpp
index 4ca15d8..0f810e1 100644
--- a/src/runtime_methods/json.cpp
+++ b/src/runtime_methods/json.cpp
@@ -72,7 +72,7 @@ namespace Tesses::CrossLang
                 for(auto item : dict->items)
                 {
                     if(IsValidForJson(item.second))
-                    json_object_setn_new(obj, item.first.c_str(), item.first.size(),JsonSerialize(item.second));
+                    json_object_set_new(obj, item.first.c_str(),JsonSerialize(item.second));
                 }   
                 return obj;
             }
@@ -130,11 +130,11 @@ namespace Tesses::CrossLang
             size_t len;
             json_t* value;
             
-            json_object_keylen_foreach_safe(json,n,key,len,value)
+            json_object_foreach_safe(json,n,key,value)
             {
                 auto itemRes = JsonDeserialize(ls2,value);       
                 ls2.GetGC()->BarrierBegin();
-                dict->SetValue(std::string(key,len),itemRes);
+                dict->SetValue(std::string(key),itemRes);
                 ls2.GetGC()->BarrierEnd();
             }
             return dict;