diff --git a/backend/Yiqi/Yiqi/requirements.txt b/backend/Yiqi/Yiqi/requirements.txt
index 2971ec8..84217c8 100644
--- a/backend/Yiqi/Yiqi/requirements.txt
+++ b/backend/Yiqi/Yiqi/requirements.txt
@@ -102,7 +102,7 @@ pycryptodome==3.6.0
 PyDispatcher==2.0.5
 pygame==1.9.3
 Pygments==2.2.0
-PyJWT==1.6.1
+PyJWT==2.4.0
 PyMySQL==0.8.0
 pyOpenSSL==17.5.0
 pyparsing==2.2.0