diff --git a/ISSR_Communication_Analysis_Tool_Samuel_Kalu/requirements.txt b/ISSR_Communication_Analysis_Tool_Samuel_Kalu/requirements.txt
index cf01824..2689cd9 100644
--- a/ISSR_Communication_Analysis_Tool_Samuel_Kalu/requirements.txt
+++ b/ISSR_Communication_Analysis_Tool_Samuel_Kalu/requirements.txt
@@ -13,4 +13,5 @@ loguru==0.7.3
 vaderSentiment==3.3.2
 faster-whisper==1.1.1
 networkx==3.3
-gdown==5.2.0
\ No newline at end of file
+gdown==5.2.0
+soundfile==0.12.1
\ No newline at end of file