diff --git a/backend/Cargo.lock b/backend/Cargo.lock
index 2bc7f38..f627b6c 100644
--- a/backend/Cargo.lock
+++ b/backend/Cargo.lock
@@ -589,6 +589,12 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
 
+[[package]]
+name = "dyn-clone"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c7a8fb8a9fbf66c1f703fe16184d10ca0ee9d23be5b4436400408ba54a95005"
+
 [[package]]
 name = "either"
 version = "1.15.0"
@@ -1757,6 +1763,26 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "ref-cast"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4a0ae411dbe946a674d89546582cea4ba2bb8defac896622d6496f14c23ba5cf"
+dependencies = [
+ "ref-cast-impl",
+]
+
+[[package]]
+name = "ref-cast-impl"
+version = "1.0.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1165225c21bff1f3bbce98f5a1f889949bc902d3575308cc7b0de30b4f6d27c7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"
@@ -1976,6 +2002,18 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "schemars"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cd191f9397d57d581cddd31014772520aa448f65ef991055d7f61582c65165f"
+dependencies = [
+ "dyn-clone",
+ "ref-cast",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -2067,15 +2105,16 @@ dependencies = [
 
 [[package]]
 name = "serde_with"
-version = "3.12.0"
+version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d6b6f7f2fcb69f747921f79f3926bd1e203fce4fef62c268dd3abfb6d86029aa"
+checksum = "bf65a400f8f66fb7b0552869ad70157166676db75ed8181f8104ea91cf9d0b42"
 dependencies = [
  "base64",
  "chrono",
  "hex",
  "indexmap 1.9.3",
  "indexmap 2.9.0",
+ "schemars",
  "serde",
  "serde_derive",
  "serde_json",
@@ -2085,9 +2124,9 @@ dependencies = [
 
 [[package]]
 name = "serde_with_macros"
-version = "3.12.0"
+version = "3.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d00caa5193a3c8362ac2b73be6b9e768aa5a4b2f721d8f4b339600c3cb51f8e"
+checksum = "81679d9ed988d5e9a5e6531dc3f2c28efbd639cbd1dfb628df08edea6004da77"
 dependencies = [
  "darling",
  "proc-macro2",
diff --git a/backend/Cargo.toml b/backend/Cargo.toml
index d05c71b..4c59283 100644
--- a/backend/Cargo.toml
+++ b/backend/Cargo.toml
@@ -29,7 +29,7 @@ serde_json = "1.0.138"
 dotenvy = "0.15.7"
 reqwest = { version = "0.12.12", features = ["json"] }
 chrono = { version = "0.4.39", features = ["serde"] }
-serde_with = "3.12.0"
+serde_with = "3.13.0"
 tower = "0.5.2"
 axum-server = {version = "0.7.2", features=["tls-rustls"]}
 urlencoding = "2.1.3"