diff --git a/MANIFEST.in b/MANIFEST.in
index f94f410..f4234ca 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
+include LICENSE
 include runtests.py
 recursive-include astrodendro/tests *.npz
 recursive-include astrodendro/tests/benchmark_data *.fits