diff --git a/requirements.txt b/requirements.txt
index 5f4429d..582a342 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -43,5 +43,6 @@ open_clip_torch >= 2.29.0
 pyloudnorm
 misaki
 soundfile
+ffmpeg
 # num2words
 # spacy
\ No newline at end of file