diff --git a/requirements.mysql.txt b/requirements.mysql.txt
index 124fb555..7a38aaed 100644
--- a/requirements.mysql.txt
+++ b/requirements.mysql.txt
@@ -12,7 +12,7 @@ Flask-Assets==2.1.0
 Flask-SQLAlchemy==3.1.1
 gunicorn==21.2.0
 htmlmin==0.1.12
-idna==3.4
+idna==3.6
 itsdangerous==2.1.2
 Jinja2==3.1.2
 jsmin==3.0.1
diff --git a/requirements.txt b/requirements.txt
index 6d1083b2..373397e6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Flask-Assets==2.1.0
 Flask-SQLAlchemy==3.1.1
 gunicorn==21.2.0
 htmlmin==0.1.12
-idna==3.4
+idna==3.6
 itsdangerous==2.1.2
 Jinja2==3.1.2
 jsmin==3.0.1