diff --git a/.gitignore b/.gitignore
index 6ca09da1..7d631d64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,6 @@ __pycache__
 *.pyc
 *~
 .directory
+
+# Finder (MacOS) makes these automatically.
+.DS_Store
\ No newline at end of file