diff --git a/requirements-frozen.txt b/requirements-frozen.txt
index 9f55c56..94b61d7 100644
--- a/requirements-frozen.txt
+++ b/requirements-frozen.txt
@@ -9,7 +9,7 @@ chardet==3.0.4
 charset-normalizer==2.0.6
 frozenlist==1.4.1
 httptools==0.1.0
-idna==2.8
+idna==3.7
 idna-ssl==1.1.0
 Jinja2==3.1.4
 MarkupSafe==2.0.1