diff --git a/src/osgEarthImGui/CMakeLists.txt b/src/osgEarthImGui/CMakeLists.txt
index c8a2b4061..b75ced6c2 100644
--- a/src/osgEarthImGui/CMakeLists.txt
+++ b/src/osgEarthImGui/CMakeLists.txt
@@ -10,8 +10,11 @@ set(LIB_NAME osgEarthImGui)
 set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS ON)
 
 # embedded ImGui source code:
-set(IMGUI_HEADERS imgui.h imgui_internal.h imgui_impl_opengl3.h imconfig.h imnodes.h)
-set(IMGUI_SOURCES imgui.cpp imgui_demo.cpp imgui_draw.cpp imgui_tables.cpp imgui_widgets.cpp imgui_impl_opengl3.cpp imnodes.cpp)
+find_package(imgui CONFIG REQUIRED)
+set(IMGUI_HEADERS imnodes.h)
+set(IMGUI_SOURCES imnodes.cpp)
+file(REMOVE imgui.h imgui_internal.h imgui_impl_opengl3.h imconfig.h)
+file(REMOVE imgui.cpp imgui_demo.cpp imgui_draw.cpp imgui_tables.cpp imgui_widgets.cpp imgui_impl_opengl3.cpp)
 
 set(STOCK_PANELS
     AnnotationsGUI
@@ -62,5 +65,5 @@ add_osgearth_library(
     TARGET ${LIB_NAME}
     SOURCES ${LIB_SOURCES} ${IMGUI_SOURCES}
     PUBLIC_HEADERS ${LIB_HEADERS} ${IMGUI_HEADERS} ${STOCK_PANELS}
-    LIBRARIES PUBLIC OpenGL::GL
+    LIBRARIES PUBLIC OpenGL::GL imgui::imgui
     FOLDER "NodeKits")
diff --git a/src/osgEarthImGui/Common b/src/osgEarthImGui/Common
index 6e3ee948e..d236a325a 100644
--- a/src/osgEarthImGui/Common
+++ b/src/osgEarthImGui/Common
@@ -17,6 +17,6 @@
 // note: No Windows declspec's here because we are using CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS
 
 #ifndef IMGUI_VERSION
-#include <osgEarthImGui/imgui.h>
+#include <imgui.h>
 #include <osgEarthImGui/imnodes.h>
 #endif
diff --git a/src/osgEarthImGui/ImGuiEventHandler.cpp b/src/osgEarthImGui/ImGuiEventHandler.cpp
index 183963a9e..372c5af32 100644
--- a/src/osgEarthImGui/ImGuiEventHandler.cpp
+++ b/src/osgEarthImGui/ImGuiEventHandler.cpp
@@ -144,7 +144,7 @@ void ImGuiEventHandler::render(osg::RenderInfo& ri)
         constexpr ImGuiDockNodeFlags dockspace_flags =
             ImGuiDockNodeFlags_NoDockingInCentralNode | ImGuiDockNodeFlags_PassthruCentralNode;
 
-        auto dockSpaceId = ImGui::DockSpaceOverViewport(ImGui::GetMainViewport(), dockspace_flags);
+        auto dockSpaceId = ImGui::DockSpaceOverViewport(0, ImGui::GetMainViewport(), dockspace_flags);
 
         glDisable(GL_MULTISAMPLE);
 
diff --git a/src/osgEarthImGui/ImGuiPanel b/src/osgEarthImGui/ImGuiPanel
index 2751d0e8d..aaefcecf6 100644
--- a/src/osgEarthImGui/ImGuiPanel
+++ b/src/osgEarthImGui/ImGuiPanel
@@ -424,7 +424,7 @@ namespace ImGuiEx
         if (textureObject)
         {
             bool flip = (texture->getImage() && texture->getImage()->getOrigin() == osg::Image::TOP_LEFT);
-            ImGui::Image((void*)(intptr_t)textureObject->_id, ImVec2(w, h), ImVec2(0, flip ? 0 : 1), ImVec2(1, flip ? 1 : 0), ImVec4(1, 1, 1, 1), ImVec4(1, 1, 0, 1));
+            ImGui::Image(textureObject->_id, ImVec2(w, h), ImVec2(0, flip ? 0 : 1), ImVec2(1, flip ? 1 : 0), ImVec4(1, 1, 1, 1), ImVec4(1, 1, 0, 1));
         }
     }
 
@@ -436,7 +436,7 @@ namespace ImGuiEx
         }
         else
         {
-            ImGui::Image((void*)(std::intptr_t)id, ImVec2((float)width, (float)height), ImVec2(0, 1), ImVec2(1, 0), ImVec4(1, 1, 1, 1), ImVec4(1, 1, 0, 1));
+            ImGui::Image(id, ImVec2((float)width, (float)height), ImVec2(0, 1), ImVec2(1, 0), ImVec4(1, 1, 1, 1), ImVec4(1, 1, 0, 1));
         }
     }
 
diff --git a/src/osgEarthImGui/ResourceLibraryGUI b/src/osgEarthImGui/ResourceLibraryGUI
index cdc8c28c4..e92de02b8 100644
--- a/src/osgEarthImGui/ResourceLibraryGUI
+++ b/src/osgEarthImGui/ResourceLibraryGUI
@@ -207,7 +207,7 @@ namespace osgEarth
                     // Make the entire row selectable
                     ImGui::TableSetColumnIndex(0);
                     bool selected = (_selectedSkin.get() == skin.get());
-                    ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_SpanAllColumns | ImGuiSelectableFlags_AllowItemOverlap;
+                    ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_SpanAllColumns | ImGuiSelectableFlags_AllowOverlap;
                     if (ImGui::Selectable("##row", selected, selectable_flags, ImVec2(0, 0)))
                     {
                         setSelectedSkin(skin.get(), ri);
@@ -318,7 +318,7 @@ namespace osgEarth
                     // Make the entire row selectable
                     ImGui::TableSetColumnIndex(0);
                     bool selected = (_selectedModel.get() == model.get());
-                    ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_SpanAllColumns | ImGuiSelectableFlags_AllowItemOverlap;
+                    ImGuiSelectableFlags selectable_flags = ImGuiSelectableFlags_SpanAllColumns | ImGuiSelectableFlags_AllowOverlap;
                     if (ImGui::Selectable("##row", selected, selectable_flags, ImVec2(0, 0)))
                     {
                         setSelectedModel(model.get());
diff --git a/src/osgEarthImGui/imnodes.cpp b/src/osgEarthImGui/imnodes.cpp
index a77c0a9ed..e2d9e5e94 100644
--- a/src/osgEarthImGui/imnodes.cpp
+++ b/src/osgEarthImGui/imnodes.cpp
@@ -350,7 +350,11 @@ void ImDrawListGrowChannels(ImDrawList* draw_list, const int num_channels)
         {
             ImDrawCmd draw_cmd;
             draw_cmd.ClipRect = draw_list->_ClipRectStack.back();
+#if IMGUI_VERSION_NUM < 19200
             draw_cmd.TextureId = draw_list->_TextureIdStack.back();
+#else
+            draw_cmd.TexRef = draw_list->_TextureStack.back();
+#endif
             channel._CmdBuffer.push_back(draw_cmd);
         }
     }