diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2c040d1..43e9ce4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,7 +30,7 @@ if(WIN32)
     FetchContent_Declare(
       imgui
       GIT_REPOSITORY https://github.com/ocornut/imgui.git
-      GIT_TAG        v1.91.1  # Latest stable version
+      GIT_TAG        v1.91.2-docking  # Latest stable version
     )
 
     FetchContent_MakeAvailable(imgui)
diff --git a/src/main.cpp b/src/main.cpp
index 87828b5..1e3cd6d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -23,11 +23,22 @@ int CALLBACK WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLi
 int main() {
     // Setup window
     glfwSetErrorCallback(glfw_error_callback);
+
     if (!glfwInit()) {
         std::cerr << "Failed to initialize GLFW" << std::endl;
         return -1;
     }
 
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+    glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
+    glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+    glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+    glfwWindowHint(GLFW_RESIZABLE, GL_TRUE);
+    glfwWindowHint(GLFW_VISIBLE, GL_TRUE);
+    glfwWindowHint(GLFW_MAXIMIZED, GL_TRUE);
+    glfwWindowHint(GLFW_DEPTH_BITS, 0);
+    glfwWindowHint(GLFW_STENCIL_BITS, 0);
+
     // Create a windowed mode window and its OpenGL context
     GLFWwindow* window = glfwCreateWindow(1280, 720, "ImGui + GLFW + GLAD Example", nullptr, nullptr);
     if (!window) {
@@ -50,6 +61,8 @@ int main() {
     ImGui::CreateContext();
     ImGuiIO& io = ImGui::GetIO(); //(void)io;
     // io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18);
+    io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+
 
     // Setup Dear ImGui style
     ImGui::StyleColorsDark();
@@ -69,6 +82,8 @@ int main() {
         ImGui_ImplGlfw_NewFrame();
         ImGui::NewFrame();
 
+        ImGui::DockSpaceOverViewport();
+
         // Create a simple ImGui window
         {
             ImGui::Begin("Hello, world!");   // Create a window called "Hello, world!"