diff --git a/Cargo.lock b/Cargo.lock
index 4979403..b5a9493 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -371,7 +371,7 @@ dependencies = [
  "hyper 1.1.0",
  "hyper-util",
  "indenter",
- "indexmap 2.1.0",
+ "indexmap 2.2.2",
  "indoc",
  "log",
  "mockall",
@@ -604,7 +604,7 @@ dependencies = [
  "futures-sink",
  "futures-util",
  "http 1.0.0",
- "indexmap 2.1.0",
+ "indexmap 2.2.2",
  "slab",
  "tokio",
  "tokio-util",
@@ -811,9 +811,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.1.0"
+version = "2.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d530e1a18b1cb4c484e6e34556a0d948706958449fca0cab753d649f2bce3d1f"
+checksum = "824b2ae422412366ba479e8111fd301f7b5faece8149317bb81925979a53f520"
 dependencies = [
  "equivalent",
  "hashbrown 0.14.2",
@@ -1639,7 +1639,7 @@ version = "0.19.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
- "indexmap 2.1.0",
+ "indexmap 2.2.2",
  "toml_datetime",
  "winnow",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 1c20ae8..5d1453c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -72,7 +72,7 @@ features = ["tokio"]
 version = "0.3.3"
 
 [dependencies.indexmap]
-version = "2.1.0"
+version = "2.2.2"
 features = ["serde"]
 
 [dependencies.log]