diff --git a/Cargo.lock b/Cargo.lock
index 7bcc5be4..2203b798 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -247,6 +247,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "equivalent"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "88bffebc5d80432c9b140ee17875ff173a8ab62faad5b257da912bd2f6c1c0a1"
+
 [[package]]
 name = "errno"
 version = "0.3.1"
@@ -989,12 +995,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.9.3"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
+checksum = "d5477fe2230a79769d8dc68e0eabf5437907c0457a5614a9e8dddb67f65eb65d"
 dependencies = [
- "autocfg",
- "hashbrown 0.12.3",
+ "equivalent",
+ "hashbrown 0.14.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index d28c9765..c6b365c0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -35,7 +35,7 @@ ctrlc = "3.4"
 encoding_rs = "0.8"
 flate2 = "1"
 gix = { version = "0.48", default-features = false, features = [] }
-indexmap = "1.9"
+indexmap = "2.0"
 is-terminal = "0.4"
 nom = { version = "7", default_features = false, features = [ "std" ] }
 serde = { version = "1.0", features = ["derive"] }