diff --git a/.gitignore b/.gitignore
index e24ad72245..dd18e54e0e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,5 +37,8 @@ wp-tests-config.php
 /src/wp-content/object-cache.php
 /src/wp-content/sunrise.php
 
+# Operating system specific files
+.DS_Store
+
 # Ignore other .gitignore files to allow for personal customizations
 .gitignore