diff --git a/Cargo.lock b/Cargo.lock
index 30e1f1f7..384b771b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -861,9 +861,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.12.1"
+version = "2.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ad4bb2b565bca0645f4d68c5c9af97fba094e9791da685bf83cb5f3ce74acf2"
+checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
  "hashbrown 0.16.1",
diff --git a/Cargo.toml b/Cargo.toml
index 4e33c810..c4bd2e2f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -108,7 +108,7 @@ nix = { version = "0.30", default-features = false, features = ["term"] }
 
 [build-dependencies]
 anyhow = "1.0.97"
-indexmap = { version = "2.8.0", features = ["serde"] }
+indexmap = { version = "2.13.0", features = ["serde"] }
 itertools = "0.14.0"
 once_cell = "1.20"
 prettyplease = "0.2.37"