diff --git a/build/cmake/.gitignore b/build/cmake/.gitignore
index 6a1f8b4..7fdc987 100644
--- a/build/cmake/.gitignore
+++ b/build/cmake/.gitignore
@@ -27,5 +27,6 @@ _CPack_Packages/*
 *.msi
 *.zip
 *.wixobj
-
+tidy
+libtidy*