diff --git a/COPYING b/COPYING.txt
similarity index 100%
rename from COPYING
rename to COPYING.txt
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..c8a5f6c
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include COPYING.txt