diff --git a/Software-using-dear-imgui.md b/Software-using-dear-imgui.md
index eecce53..4ed8e8f 100644
--- a/Software-using-dear-imgui.md
+++ b/Software-using-dear-imgui.md
@@ -589,6 +589,7 @@ Help us complete this list!
 | App | SoShade | @aiekick | | [shot](https://twitter.com/aiekick/status/915133246157008896)
 | App | SpecialK Modding System | | | [shot](https://github.com/ocornut/imgui/issues/973#issuecomment-295128588)
 | App | Spectrum Analyser | | | [homepage](https://colourclash.co.uk/spectrum-analyser/)
+| Lib | Speedtree Runtime SDK | | |
 | App | Speljongen | | | [github](https://github.com/fallahn/speljongen) / [video](https://twitter.com/TrederiaGames/status/1010566791062605824)
 | App | SpiritCalc | | | [github](https://github.com/ShrewdSpirit/SpiritCalc)
 | App | Splash | | | [homepage](https://github.com/paperManu/splash/wiki) / [shot](https://github.com/ocornut/imgui/issues/539#issuecomment-192671061)