diff --git a/pyproject.toml b/pyproject.toml
index 8dffd766..3f9376e1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ dependencies = [
     "mkdocs-material>=9.6.0",
     "paramiko>=3.5.1",
     "dnspython",
+    "flask"
 ]
 classifiers = [
     "Typing :: Typed",