diff --git a/requirements.txt b/requirements.txt
index bb01f39..27aa41a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -65,3 +65,4 @@ encodec>=0.1.1
 unidecode>=1.3.2
 num2words
 spacy[ja]>=3
+opencv-python-headless==4.8.0.76