diff --git a/MANIFEST.in b/MANIFEST.in
index 34c01cd..5da9de0 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -2,3 +2,4 @@ include README.md
 include LICENSE.txt
 include AUTHORS.rst
 include rwslib/extras/audit_event/README.md
+include rwslib/builders/README.md