diff --git a/CHANGELOG.markdown b/CHANGELOG.markdown
index bf7cff1..635dad8 100644
--- a/CHANGELOG.markdown
+++ b/CHANGELOG.markdown
@@ -2,6 +2,11 @@
 
 ## [Unreleased]
 
+### Changed
+
+- Upgrade to cimgui 1.65.2 / imgui 1.65. **This is a very big update, so there
+  are a lot of breaking changes**
+
 ## [0.0.21] - 2018-10-11
 
 ### Added
diff --git a/README.markdown b/README.markdown
index 59f5690..4879639 100644
--- a/README.markdown
+++ b/README.markdown
@@ -4,6 +4,8 @@
 
 Minimum Rust version: 1.26
 
+Wrapped Dear ImGui version: 1.65
+
 [![Build Status](https://travis-ci.org/Gekkio/imgui-rs.svg?branch=master)](https://travis-ci.org/Gekkio/imgui-rs)
 [![Latest release on crates.io](https://meritbadge.herokuapp.com/imgui)](https://crates.io/crates/imgui)
 [![Documentation on docs.rs](https://docs.rs/imgui/badge.svg)](https://docs.rs/imgui)
@@ -84,7 +86,7 @@ Licensed under either of
 
 at your option.
 
-Uses [ImGui](https://github.com/ocornut/imgui) and [cimgui](https://github.com/Extrawurst/cimgui).
+Uses [ImGui](https://github.com/ocornut/imgui) and [cimgui](https://github.com/cimgui/cimgui).
 
 ### Contribution
 
diff --git a/hello_world.png b/hello_world.png
index 886b902..ccfbee7 100644
Binary files a/hello_world.png and b/hello_world.png differ