diff --git a/Cargo.lock b/Cargo.lock
index 23f1414..e18e533 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,9 +169,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+checksum = "cf2a4f498956c7723dc280afc6a37d0dec50b39a29e232c6187ce4503703e8c2"
 dependencies = [
  "equivalent",
  "hashbrown",
diff --git a/Cargo.toml b/Cargo.toml
index ab57276..8665c05 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ version = "1.0.0"
 include = ["src/**/*"]
 
 [dependencies]
-indexmap = {version = "2.1", features = ["serde", "rayon"]}
+indexmap = {version = "2.2", features = ["serde", "rayon"]}
 log = "0.4"
 rayon = "1.8"
 serde = "1.0"