diff --git a/setup.cfg b/setup.cfg
index 68a36ee4..3edc5385 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,11 +26,12 @@ packages =
     hyper.http20
     hyper.common
     hyper.http11
+
 install_requires =
-    h2>=2.4
-    hyperframe>=3.2
-    rfc3986>=1.1.0
-    brotlipy>=0.7.0
+    h2>=2.4 # git+https://github.com/python-hyper/h2.git
+    hyperframe>=3.2 # git+https://github.com/python-hyper/hyperframe.git
+    rfc3986>=1.1.0 # git+https://github.com/python-hyper/rfc3986.git
+    brotlipy>=0.7.0 # git+https://github.com/python-hyper/brotlicffi.git
 
 include_package_data = True
 tests_require = pytest; requests; mock