diff --git a/MANIFEST.in b/MANIFEST.in
index 74b2789..63308a8 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,2 @@
-include README.rst LICENSE AUTHORS requirements.txt
+include README.rst LICENSE AUTHORS requirements.txt test_httpbin.py
 recursive-include httpbin/templates *