diff --git a/requirements.txt b/requirements.txt
index d6621e6..3712113 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,3 +4,4 @@ chromadb
 pytest>=8.0
 markdown-it-py>=4.0
 mdit-py-plugins>=0.4
+PySide6>=6.6