diff --git a/requirements-optional.txt b/requirements-optional.txt
index 89d822f..0bcd196 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -7,6 +7,7 @@ gTTS>=2.3.1 # google text to speech
 pyttsx3>=2.90 # pytsx text to speech
 baidu_aip>=4.16.10 # baidu voice
 # azure-cognitiveservices-speech # azure voice
+numpy<=1.24.2
 langid # language detect
 
 #install plugin