diff --git a/README.md b/README.md
index c8d2e3e..867c8ca 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ QIDISlicer is a professional 3D printer slicing software，which is perfectly co
 **Notice:QIDISlicer as a new software dedicated to QIDI's new high speed printers, please make sure your firmware version is V 4.0.0 or above.**
 
 QIDISlicer is based on [PrusaSlicer](https://github.com/prusa3d/PrusaSlicer) by Prusa Research, which is from [Slic3r](https://github.com/Slic3r/Slic3r) by Alessandro Ranellucci and the RepRap community.
-Thanks to PrusaSlicer and Bambulab for their contributions to the 3D printing community.
+Thanks to PrusaSlicer, Bambulab and OrcaSlicer for their contributions to the 3D printing community.
 
 See the [QIDI's homepage](https://qidi3d.com) for more information.