diff --git a/MANIFEST.in b/MANIFEST.in
index aa51d01100..0525b65dab 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,2 +1,2 @@
 include include/pybind11/*.h
-include LICENSE README.md CONTRIBUTING.md
+include LICENSE README.md CONTRIBUTING.md CMakeLists.txt