diff --git a/Cargo.lock b/Cargo.lock
index 72b3313..1b1da01 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1342,9 +1342,9 @@ checksum = "aae21c3177a27788957044151cc2800043d127acaa460a47ebb9b84dfa2c6aa0"
 
 [[package]]
 name = "indexmap"
-version = "2.6.0"
+version = "2.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "707907fe3c25f5424cce2cb7e1cbcafee6bdbe735ca90ef77c29e84591e5b9da"
+checksum = "62f822373a4fe84d4bb149bf54e584a7f4abec90e072ed49cda0edea5b95471f"
 dependencies = [
  "equivalent",
  "hashbrown",
diff --git a/Cargo.toml b/Cargo.toml
index d33081b..929f4cb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,7 +21,7 @@ fastobo = "0.15.2"
 fastrand = "2.1"
 flate2 = "1.0"
 hpo = "0.11"
-indexmap = { version = "2.6", features = ["serde"] }
+indexmap = { version = "2.7", features = ["serde"] }
 indicatif = { version = "0.17", features = ["rayon"] }
 itertools = "0.13"
 lazy_static = "1.5"