diff --git a/requirements.txt b/requirements.txt
index 83926af..d4887ce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ ddtrace==0.57.3; (python_version >= "2.7" and python_full_version < "3.0.0") or
 faker==8.11.0; python_version >= "3.6"
 flask-assets==2.0
 flask==2.0.3; python_version >= "3.6"
-idna==3.2; python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.5"
+idna==3.3; python_version >= "3.5" and python_full_version < "3.0.0" or python_full_version >= "3.6.0" and python_version >= "3.5"
 itsdangerous==2.0.1; python_version >= "3.6"
 jinja2==3.0.3; python_version >= "3.6"
 markupsafe==2.0.1; python_version >= "3.6"