diff --git a/MANIFEST.in b/MANIFEST.in
index 4120c5a..3ca13d1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
 # MANIFEST.in
 
-include src/malloy/service/*
\ No newline at end of file
+include src/malloy/service/*
+include src/malloy/utils/third_party.txt
\ No newline at end of file