diff --git a/sld-schedule/requirements.txt b/sld-schedule/requirements.txt
index b7869753..c6aa482b 100644
--- a/sld-schedule/requirements.txt
+++ b/sld-schedule/requirements.txt
@@ -8,7 +8,7 @@ click==8.1.3
 fastapi==0.88.0
 greenlet==2.0.1
 h11==0.14.0
-idna==3.4
+idna==3.7
 jmespath==1.0.1
 loguru==0.6.0
 mysqlclient==2.1.1