diff --git a/.gitignore b/.gitignore
index 50005d53..2b7e1b46 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,6 +62,7 @@ lib/srfi/160/uvprims.c
 *.err
 *.fasl
 *.txt
+!CMakeLists.txt
 *.test
 *.train
 *.h5