diff --git a/setup.py b/setup.py
index b9063d7d..763190ec 100644
--- a/setup.py
+++ b/setup.py
@@ -106,7 +106,7 @@ setuptools.setup(
         else "",
     },
     extras_require={
-        "api": read_api_requirements(),  # API requirements as optional
+        "api": requirements + read_api_requirements(),
         "tools": read_extra_requirements(),  # API requirements as optional
     },
     entry_points={