diff --git a/.github/workflows/godot.yml b/.github/workflows/godot.yml
index f761eeb..22310db 100644
--- a/.github/workflows/godot.yml
+++ b/.github/workflows/godot.yml
@@ -10,7 +10,7 @@ on:
 
 env:
   gdver: "4.0"
-  gdrel: beta17
+  gdrel: rc3
 
 jobs:
   export_game:
diff --git a/Dear ImGui for Godot Demo.csproj b/Dear ImGui for Godot Demo.csproj
index 36e7f3c..c5d98cb 100644
--- a/Dear ImGui for Godot Demo.csproj	
+++ b/Dear ImGui for Godot Demo.csproj	
@@ -1,4 +1,4 @@
-<Project Sdk="Godot.NET.Sdk/4.0.0-beta.17">
+<Project Sdk="Godot.NET.Sdk/4.0.0-rc.3">
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
     <EnableDynamicLoading>true</EnableDynamicLoading>
@@ -10,6 +10,6 @@
     <EmbeddedResource Remove="doc\**" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="ImGui.NET" Version="1.89.2" />
+    <PackageReference Include="ImGui.NET" Version="1.89.4" />
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 025e25c..5e16501 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Dear ImGui plugin for Godot 4 (C#)
 
-![](https://img.shields.io/static/v1?label=Godot%204.0&message=beta17&color=blue&logo=godotengine)
+![](https://img.shields.io/static/v1?label=Godot%204.0&message=rc3&color=blue&logo=godotengine)
 ![](https://github.com/pkdawson/imgui-godot/actions/workflows/dotnet.yml/badge.svg)
 ![](https://github.com/pkdawson/imgui-godot/actions/workflows/godot.yml/badge.svg)
 
@@ -23,7 +23,7 @@ public partial class MyNode : Node
 
 Download
 
-[![](https://img.shields.io/static/v1?label=imgui-godot&message=3.5.5&color=blueviolet&logo=github)](https://github.com/pkdawson/imgui-godot/archive/refs/tags/v3.5.5.zip)
+[![](https://img.shields.io/static/v1?label=imgui-godot&message=3.5.6&color=blueviolet&logo=github)](https://github.com/pkdawson/imgui-godot/archive/refs/tags/v3.5.6.zip)
 
 ## Getting Started
 
@@ -86,7 +86,7 @@ That's about it. Everything else is provided by ImGui itself, via ImGui.NET.
   "addons": {
     "imgui-godot": {
       "url": "https://github.com/pkdawson/imgui-godot",
-      "checkout": "v3.5.5",
+      "checkout": "v3.5.6",
       "subfolder": "addons/imgui-godot"
     }
   }
diff --git a/addons/imgui-godot/plugin.cfg b/addons/imgui-godot/plugin.cfg
index a362767..2167569 100644
--- a/addons/imgui-godot/plugin.cfg
+++ b/addons/imgui-godot/plugin.cfg
@@ -3,5 +3,5 @@
 name="Dear ImGui for Godot"
 description="Dear ImGui for Godot"
 author="Patrick Dawson"
-version="3.5.5"
+version="3.5.6"
 script="ImGuiPlugin.gd"