diff --git a/.gitignore b/.gitignore
index 04a3867c..aa40d8ef 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,5 +12,6 @@ Doc
 Inputs/Atmospherics/CAFs
 nohup.out
 *.txt
+!CMakeLists.txt
 *.log
 .cache/