diff --git a/MANIFEST.in b/MANIFEST.in
index ca45b325d79..409334c50e4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
+include HACKING.rst
 include README LICENSE TESTING AUTHORS
 include run_tests.py run_tests.sh
 include .pylintrc