diff --git a/MANIFEST.in b/MANIFEST.in
index 76229433..3ded9a0e 100755
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -15,4 +15,5 @@ include sampledata/*.grib*
 include sampledata/*.bin
 include test/README
 include test/*py
+include test/*baseline*png
 include man/*.1