diff --git a/Cargo.lock b/Cargo.lock
index 1ed06136646..5c66c39b698 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -425,7 +425,7 @@ checksum = "c980ee35e870bd1a4d2c8294d4c04d0499e67bca1e4b5cefcc693c2fa00caea9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -930,7 +930,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -1207,7 +1207,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -1324,7 +1324,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -1429,7 +1429,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -1688,7 +1688,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -3292,7 +3292,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -3980,9 +3980,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "da0df0e5185db44f69b44f26786fe401b6c293d1907744beaa7fa62b2e5a517a"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
 dependencies = [
  "autocfg",
 ]
@@ -4056,7 +4056,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -4282,7 +4282,7 @@ checksum = "266c042b60c9c76b8d53061e52b2e0d1116abc57cefc8c5cd671619a56ac3690"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -4452,9 +4452,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.78"
+version = "1.0.104"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
+checksum = "9695f8df41bb4f3d222c95a67532365f569318332d03d5f3f67f37b20e6ebdf0"
 dependencies = [
  "unicode-ident",
 ]
@@ -4479,7 +4479,7 @@ checksum = "440f724eba9f6996b75d63681b0a92b06947f1457076d503a4d2e2c8f56442b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -4936,22 +4936,19 @@ dependencies = [
 
 [[package]]
 name = "rmp"
-version = "0.8.12"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f9860a6cc38ed1da53456442089b4dfa35e7cedaa326df63017af88385e6b20"
+checksum = "4ba8be72d372b2c9b35542551678538b562e7cf86c3315773cae48dfbfe7790c"
 dependencies = [
- "byteorder",
  "num-traits",
- "paste",
 ]
 
 [[package]]
 name = "rmp-serde"
-version = "1.1.2"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bffea85eea980d8a74453e5d02a8d93028f3c34725de143085a844ebe953258a"
+checksum = "72f81bee8c8ef9b577d1681a70ebbc962c232461e397b22c208c43c04b67a155"
 dependencies = [
- "byteorder",
  "rmp",
  "serde",
 ]
@@ -5017,7 +5014,7 @@ dependencies = [
  "quote",
  "rust-embed-utils",
  "shellexpand",
- "syn 2.0.49",
+ "syn 2.0.111",
  "walkdir",
 ]
 
@@ -5287,22 +5284,32 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.196"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "870026e60fa08c69f064aa766c10f10b1d62db9ccd4d0abb206472bee0ce3b32"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.196"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c85360c95e7d137454dc81d9a4ed2b8efd8fbe19cee57357b32b9771fccb67"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -5335,7 +5342,7 @@ checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -5652,9 +5659,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.49"
+version = "2.0.111"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "915aea9e586f80826ee59f8453c1101f9d1c4b3964cd2460185ee8e299ada496"
+checksum = "390cc9a294ab71bdb1aa2e99d13be9c753cd2d7bd6560c77118597410c4d2e87"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5791,7 +5798,7 @@ checksum = "a953cb265bef375dae3de6663da4d3804eee9682ea80d8e2542529b73c531c81"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -5893,7 +5900,7 @@ checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -6048,7 +6055,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -6405,7 +6412,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
  "wasm-bindgen-shared",
 ]
 
@@ -6439,7 +6446,7 @@ checksum = "642f325be6301eb8107a83d12a8ac6c1e1c54345a7ef1a9261962dfefda09e66"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -6472,7 +6479,7 @@ checksum = "a5211b7550606857312bba1d978a8ec75692eae187becc5e680444fffc5e6f89"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -7055,7 +7062,7 @@ checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
 
 [[package]]
@@ -7075,5 +7082,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.111",
 ]
diff --git a/identity/Cargo.toml b/identity/Cargo.toml
index 920b9a990e4..2b4cd0896c2 100644
--- a/identity/Cargo.toml
+++ b/identity/Cargo.toml
@@ -44,7 +44,7 @@ rand = ["dep:rand", "ed25519-dalek?/rand_core"]
 quickcheck = { workspace = true }
 base64 = "0.21.7"
 serde_json = "1.0"
-rmp-serde = "1.1"
+rmp-serde = "1.3"
 criterion = "0.5"
 hex-literal = "0.4.1"