diff --git a/setup.py b/setup.py
index 8e3e94383..43f568fa0 100644
--- a/setup.py
+++ b/setup.py
@@ -32,7 +32,7 @@ def convert_markdown_to_rst(file):
         "certifi",  # we want the latest root certs for security
         "requests==2.25.0",
         "chardet==3.0.4",
-        "idna==2.10",
+        "idna==3.4",
         "Jinja2==2.11.2",
         "MarkupSafe==1.1.1",
         "PyYAML==5.3.1",