diff --git a/src/nix_util/lock_parser.rs b/src/nix_util/lock_parser.rs
index 0006c4e..e807dcd 100644
--- a/src/nix_util/lock_parser.rs
+++ b/src/nix_util/lock_parser.rs
@@ -77,6 +77,9 @@ pub(crate) enum FlakeLockNodeOriginal {
     Git {
         url: String,
     },
+    Tarball {
+        url: String,
+    },
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]