diff --git a/Cargo.lock b/Cargo.lock
index 59c3c4b..0904261 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5382,9 +5382,9 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "utoipa"
-version = "4.2.3"
+version = "5.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5afb1a60e207dca502682537fefcfd9921e71d0b83e9576060f09abc6efab23"
+checksum = "2fcc29c80c21c31608227e0912b2d7fddba57ad76b606890627ba8ee7964e993"
 dependencies = [
  "indexmap 2.12.1",
  "serde",
@@ -5394,11 +5394,10 @@ dependencies = [
 
 [[package]]
 name = "utoipa-gen"
-version = "4.3.1"
+version = "5.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20c24e8ab68ff9ee746aad22d39b5535601e6416d1b0feeabf78be986a5c4392"
+checksum = "6d79d08d92ab8af4c5e8a6da20c47ae3f61a0f1dabc1997cdf2d082b757ca08b"
 dependencies = [
- "proc-macro-error",
  "proc-macro2",
  "quote",
  "syn 2.0.111",
diff --git a/Cargo.toml b/Cargo.toml
index 9850e72..f6df86a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -79,7 +79,7 @@ uuid = { version = "1.6", features = ["v4"] }
 prometheus = "0.13"
 
 # OpenAPI
-utoipa = { version = "4.2", features = ["uuid", "chrono"] }
+utoipa = { version = "5.4", features = ["uuid", "chrono"] }
 
 # TOON format
 toon-format = { version = "0.4", default-features = false }