diff --git a/.gitignore b/.gitignore
index d43365dd..874e4db7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,8 +8,8 @@ mirror/registry.terraform.io
 messages.log
 # terraform artifacts
 .terraform
-*.tfstate
-*.tfstate.*
+terraform.tfstate
+*.backup
 # pug artifacts
 pug.yaml
 pug
diff --git a/internal/app/testdata/modules/a/terraform.tfstate.d/dev/.gitkeep b/internal/app/testdata/modules/a/terraform.tfstate.d/dev/.gitkeep
new file mode 100644
index 00000000..e69de29b