diff --git a/MANIFEST b/MANIFEST
index 033626c..5ac8c37 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -1,5 +1,6 @@
 Changes
 compat-cophh.h
+compat-rx.h
 lib/re/engine/RE2.pm
 Makefile.PL
 MANIFEST			This list of files