diff --git a/pyproject.toml b/pyproject.toml
index 23b9fc59..48c4ae8c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -44,6 +44,7 @@ dev = [
     "sphinx-design",
     "tox-direct",
     "types-mock",
+    "types-requests",
 
     # These are dependencies of various sphinx extensions for documentation.
     "ipython",