diff --git a/capstone/src/main/python/requirements.txt b/capstone/src/main/python/requirements.txt
index 11e9bcc..5d25998 100644
--- a/capstone/src/main/python/requirements.txt
+++ b/capstone/src/main/python/requirements.txt
@@ -24,7 +24,7 @@ gunicorn==20.0.4
 h5py==2.10.0
 httplib2==0.18.1
 humanize==2.5.0
-idna==2.10
+idna==3.7
 importlib-metadata==1.7.0
 ipython==7.16.1
 ipython-genutils==0.2.0