diff --git a/gitignore b/gitignore
index 0df4c1e..ff7f3c7 100644
--- a/gitignore
+++ b/gitignore
@@ -25,3 +25,6 @@ DerivedData
 # Python
 __pycache__/
 env/
+
+# SSH -- never commit keys!
+ssh/id*