1 files changed, 1 insertions, 1 deletions
diff --git a/pyproject.toml b/pyproject.toml
index 7348230fba..4c51b8c4a1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -142,7 +142,7 @@ netaddr = ">=0.7.18"
 # add a lower bound to the Jinja2 dependency.
 Jinja2 = ">=3.0"
 bleach = ">=1.4.3"
-# We use `ParamSpec`, which was added in `typing-extensions` 3.10.0.0.
+# We use `ParamSpec` and `Concatenate`, which were added in `typing-extensions` 3.10.0.0.
 typing-extensions = ">=3.10.0"
 # We enforce that we have a `cryptography` version that bundles an `openssl`
 # with the latest security patches.