diff --git a/MANIFEST.in b/MANIFEST.in
index 5c05af1de..1b4db1188 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -5,5 +5,6 @@ include pydm/utilities/fontawesome*
 include pydm/about_pydm/contributors.txt
 include pydm/default_stylesheet.qss
 include requirements.txt
+include dev-requirements.txt
 include README.md
 include LICENSE.md