diff --git a/MANIFEST.in b/MANIFEST.in
index 3d6d0bab..545f82f2 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,6 @@ include LICENSE
 include README.rst
 include CHANGELOG.rst
 include AUTHORS.rst
+
+# <https://github.com/jakubroztocil/httpie/issues/182>
+recursive-include tests/ *