diff --git a/Software-using-dear-imgui.md b/Software-using-dear-imgui.md
index 793f6d0..d678d9a 100644
--- a/Software-using-dear-imgui.md
+++ b/Software-using-dear-imgui.md
@@ -63,6 +63,7 @@ Help us complete this list!
 | Game | Good Company | Chasing Carrots | | [homepage](https://www.chasing-carrots.com/)
 | Game | Graceful Explosion Machine | Vertex Pop | | [steam](https://store.steampowered.com/app/575450/Graceful_Explosion_Machine) / [eshop](https://www.nintendo.com/games/detail/graceful-explosion-machine-switch) / [shot](https://github.com/ocornut/imgui/issues/973#issuecomment-297435445)
 | Game | GunHero | Olli-Samuli Lehmus | | [steam](http://store.steampowered.com/app/568840/GunHero/)
+| Game | Hearts of Iron 4 | | | [homepage](https://www.heartsofiron4.com)
 | Game | Hellbreaker | | | [homepage](https://enhex.itch.io/hellbreaker) / [shot](https://img.itch.zone/aW1hZ2UvMTY5MjQ4Lzg2MTI5NC5qcGc=/original/1InRJS.jpg)
 | Game | Hexterminate | | | [homepage](https://www.pedro-nunes.net/hexterminate/)
 | Game | Hyper Scape | **Ubisoft** | Sponsor | [blog](https://montreal.ubisoft.com/en/ubisoft-sponsors-user-interface-library-for-c-dear-imgui/)