diff --git a/MANIFEST.in b/MANIFEST.in
index 14216e68f3..cf828fe4da 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,3 +1,4 @@
+global-exclude *.c
 include setup.py README.rst MANIFEST.in LICENSE
 include cassandra/cmurmur3.c
 include cassandra/io/libevwrapper.c