diff --git a/MANIFEST.in b/MANIFEST.in
index 2b6351550..4b4310eee 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,5 @@
 recursive-include dask_sql *.yaml
+recursive-include planner *
 
 include versioneer.py
 include dask_sql/_version.py