diff --git a/terraform/dos/.gitignore b/terraform/dos/.gitignore
index 6087da3..ac56741 100644
--- a/terraform/dos/.gitignore
+++ b/terraform/dos/.gitignore
@@ -42,3 +42,4 @@ operations/variable-scripts/variable.json
 # Sentinel runtime directory
 .sentinel
 dos
+hosts.ini