diff --git a/Cargo.lock b/Cargo.lock
index 45e8464..3a92fef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -703,7 +703,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "http",
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "slab",
  "tokio",
  "tokio-util",
@@ -887,9 +887,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.4.0"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93ead53efc7ea8ed3cfb0c79fc8023fbb782a5432b52830b6518941cebe6505c"
+checksum = "68b900aa2f7301e21c36462b170ee99994de34dff39a4a6a528e80e7376d07e5"
 dependencies = [
  "equivalent",
  "hashbrown 0.14.5",
@@ -1187,7 +1187,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4c5cc86750666a3ed20bdaf5ca2a0344f9c67674cae0515bec2da16fbaa47db"
 dependencies = [
  "fixedbitset 0.4.2",
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
 ]
 
 [[package]]
@@ -1563,7 +1563,7 @@ name = "rsjudge-traits"
 version = "0.1.0"
 dependencies = [
  "async-trait",
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "serde",
  "serde_json",
  "tokio",
@@ -1926,7 +1926,7 @@ version = "0.8.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1ed1f98e3fdc28d6d910e6737ae6ab1a93bf1985935a1193e68f93eeb68d24e"
 dependencies = [
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
@@ -1948,7 +1948,7 @@ version = "0.22.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "583c44c02ad26b0c3f3066fe629275e50627026c51ac2e595cca4c230ce1ce1d"
 dependencies = [
- "indexmap 2.4.0",
+ "indexmap 2.5.0",
  "serde",
  "serde_spanned",
  "toml_datetime",
diff --git a/crates/rsjudge-traits/Cargo.toml b/crates/rsjudge-traits/Cargo.toml
index 5cc8eea..c6e6ab6 100644
--- a/crates/rsjudge-traits/Cargo.toml
+++ b/crates/rsjudge-traits/Cargo.toml
@@ -11,7 +11,7 @@ rust-version.workspace = true
 
 [dependencies]
 async-trait = "0.1.82"
-indexmap = { version = "2.4.0", features = ["serde"] }
+indexmap = { version = "2.5.0", features = ["serde"] }
 serde.workspace = true
 tokio = { workspace = true, features = ["process"] }