diff --git a/MANIFEST.in b/MANIFEST.in
index e05bcbdc..90aeb825 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,7 @@
 include README.md
 include LICENSE
 include setup.py
+include requirements.txt
+include requirements-dev.txt
 recursive-include sigopt *.py
 recursive-include test *.py