diff --git a/Cargo.lock b/Cargo.lock
index 4c6fba9..f847279 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1332,6 +1332,12 @@ dependencies = [
  "foldhash 0.2.0",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.17.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
+
 [[package]]
 name = "hashlink"
 version = "0.10.0"
@@ -1850,12 +1856,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "2.13.1"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45a8a2b9cb3e0b0c1803dbb0758ffac5de2f425b23c28f518faabd9d805342ff"
+checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown 0.17.0",
  "serde",
  "serde_core",
 ]
@@ -3671,7 +3677,7 @@ dependencies = [
  "http-body-util",
  "hyper",
  "hyper-util",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "lazy-regex",
  "logging",
  "mockall",
@@ -3814,7 +3820,7 @@ dependencies = [
  "chrono",
  "hex",
  "indexmap 1.9.3",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "schemars 0.9.0",
  "schemars 1.0.4",
  "serde_core",
@@ -3841,7 +3847,7 @@ version = "0.9.34+deprecated"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
 dependencies = [
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "itoa",
  "ryu",
  "serde",
@@ -4123,7 +4129,7 @@ dependencies = [
  "futures-util",
  "hashbrown 0.15.5",
  "hashlink",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "log",
  "memchr",
  "native-tls",
@@ -5226,7 +5232,7 @@ dependencies = [
  "http-body-util",
  "hyper",
  "hyper-util",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "serde",
  "serde_json",
  "tokio",
@@ -5371,7 +5377,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
 dependencies = [
  "anyhow",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "wasm-encoder",
  "wasmparser",
 ]
@@ -5397,7 +5403,7 @@ checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
 dependencies = [
  "bitflags 2.8.0",
  "hashbrown 0.15.5",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "semver",
 ]
 
@@ -5661,7 +5667,7 @@ checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
 dependencies = [
  "anyhow",
  "heck 0.5.0",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "prettyplease",
  "syn 2.0.117",
  "wasm-metadata",
@@ -5692,7 +5698,7 @@ checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
 dependencies = [
  "anyhow",
  "bitflags 2.8.0",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "log",
  "serde",
  "serde_derive",
@@ -5711,7 +5717,7 @@ checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
 dependencies = [
  "anyhow",
  "id-arena",
- "indexmap 2.13.1",
+ "indexmap 2.14.0",
  "log",
  "semver",
  "serde",
diff --git a/crates/voicevox/Cargo.toml b/crates/voicevox/Cargo.toml
index ceb3630..093cf2f 100644
--- a/crates/voicevox/Cargo.toml
+++ b/crates/voicevox/Cargo.toml
@@ -19,7 +19,7 @@ workspace = true
 workspace = true
 
 [dependencies.indexmap]
-version = "2.13.1"
+version = "2.14.0"
 features = ["serde"]
 
 [dependencies.serde]
diff --git a/seitai/Cargo.toml b/seitai/Cargo.toml
index aea3f71..ed842dc 100644
--- a/seitai/Cargo.toml
+++ b/seitai/Cargo.toml
@@ -29,7 +29,7 @@ workspace = true
 workspace = true
 
 [dependencies.indexmap]
-version = "2.13.1"
+version = "2.14.0"
 features = ["serde"]
 
 [dependencies.lazy-regex]