diff --git a/MANIFEST.in b/MANIFEST.in
index 919f918..e1e1bf4 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,2 @@
 include systematics_bindings.cpp
-recursive-include *.hpp
\ No newline at end of file
+recursive-include Empirical *.hpp
\ No newline at end of file