diff --git a/requirements.txt b/requirements.txt
index 489e3a7..6e5c5a1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,7 @@ opencv-python
 pypdf2==2.12.1
 alive-progress
 requests
+math3d==4.0.0
 git+https://github.com/Byeongdulee/python-urx.git
 meilisearch
 pyyaml