diff --git a/.gitignore b/.gitignore
index 8708f82..12a4601 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,3 +12,7 @@ Doxyfile
 
 # ./Testing is created if you run ctest from the wrong place.
 /Testing
+
+# macOS junk files
+.DS_Store
+._*