diff --git a/Cargo.lock b/Cargo.lock
index 260b3ef4..ddd32b4e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -844,9 +844,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.7.0"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
+checksum = "3954d50fe15b02142bf25d3b8bdadb634ec3948f103d04ffe3031bc8fe9d7058"
 dependencies = [
  "equivalent",
  "hashbrown 0.15.2",
diff --git a/Cargo.toml b/Cargo.toml
index 572cd414..42555277 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -102,7 +102,7 @@ nix = { version = "0.29", default-features = false, features = ["term"] }
 
 [build-dependencies]
 anyhow = "1.0.97"
-indexmap = { version = "2.3.0", features = ["serde"] }
+indexmap = { version = "2.8.0", features = ["serde"] }
 itertools = "0.14.0"
 once_cell = "1.20"
 regex = "1.10.6"