diff --git a/Cargo.lock b/Cargo.lock
index 3bb04902f..40e7caf74 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1931,6 +1931,7 @@ dependencies = [
  "glob",
  "hex",
  "ignore",
+ "indexmap",
  "indoc",
  "insta",
  "itertools 0.13.0",
diff --git a/lib/Cargo.toml b/lib/Cargo.toml
index bd93b93d0..ed9a8edb6 100644
--- a/lib/Cargo.toml
+++ b/lib/Cargo.toml
@@ -49,6 +49,7 @@ gix-filter = { workspace = true, optional = true }
 glob = { workspace = true }
 hex = { workspace = true }
 ignore = { workspace = true }
+indexmap = { workspace = true }
 itertools = { workspace = true }
 jj-lib-proc-macros = { workspace = true }
 maplit = { workspace = true }