diff --git a/requirements.txt b/requirements.txt
index 19d4f7b..c38773a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ cffi==1.14.2
 chardet==3.0.4
 cryptography==3.3.2
 gunicorn==20.0.4
-idna==2.10
+idna==3.1
 multidict==4.7.6
 pycparser==2.20
 six==1.15.0