diff --git a/Cargo.lock b/Cargo.lock
index 1ed06136646..ce0c48c071e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -425,7 +425,7 @@ checksum = "c980ee35e870bd1a4d2c8294d4c04d0499e67bca1e4b5cefcc693c2fa00caea9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -930,7 +930,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1207,7 +1207,7 @@ checksum = "83fdaf97f4804dcebfa5862639bc9ce4121e82140bec2a987ac5140294865b5b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1324,7 +1324,7 @@ checksum = "487585f4d0c6655fe74905e2504d8ad6908e4db67f744eb140876906c2f3175d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1429,7 +1429,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -1688,7 +1688,7 @@ checksum = "87750cf4b7a4c0625b1529e4c543c2182106e4dedc60a2a6455e00d212c489ac"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -3292,7 +3292,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -4056,7 +4056,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -4282,7 +4282,7 @@ checksum = "266c042b60c9c76b8d53061e52b2e0d1116abc57cefc8c5cd671619a56ac3690"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -4452,9 +4452,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.78"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
@@ -4479,7 +4479,7 @@ checksum = "440f724eba9f6996b75d63681b0a92b06947f1457076d503a4d2e2c8f56442b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -5017,7 +5017,7 @@ dependencies = [
  "quote",
  "rust-embed-utils",
  "shellexpand",
- "syn 2.0.49",
+ "syn 2.0.114",
  "walkdir",
 ]
 
@@ -5287,22 +5287,32 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.196"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "870026e60fa08c69f064aa766c10f10b1d62db9ccd4d0abb206472bee0ce3b32"
+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 = "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 2.0.114",
 ]
 
 [[package]]
@@ -5335,7 +5345,7 @@ checksum = "8725e1dfadb3a50f7e5ce0b1a540466f6ed3fe7a0fca2ac2b8b831d31316bd00"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -5652,9 +5662,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.49"
+version = "2.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "915aea9e586f80826ee59f8453c1101f9d1c4b3964cd2460185ee8e299ada496"
+checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5791,7 +5801,7 @@ checksum = "a953cb265bef375dae3de6663da4d3804eee9682ea80d8e2542529b73c531c81"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -5893,7 +5903,7 @@ checksum = "5b8a1e28f2deaa14e508979454cb3a223b10b938b45af148bc0986de36f1923b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -6048,7 +6058,7 @@ checksum = "34704c8d6ebcbc939824180af020566b01a7c01f80641264eba0999f6c2b6be7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -6405,7 +6415,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
  "wasm-bindgen-shared",
 ]
 
@@ -6439,7 +6449,7 @@ checksum = "642f325be6301eb8107a83d12a8ac6c1e1c54345a7ef1a9261962dfefda09e66"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -6472,7 +6482,7 @@ checksum = "a5211b7550606857312bba1d978a8ec75692eae187becc5e680444fffc5e6f89"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -7055,7 +7065,7 @@ checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
 
 [[package]]
@@ -7075,5 +7085,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.49",
+ "syn 2.0.114",
 ]
diff --git a/hole-punching-tests/Cargo.toml b/hole-punching-tests/Cargo.toml
index 9e6fb15965d..a701a900538 100644
--- a/hole-punching-tests/Cargo.toml
+++ b/hole-punching-tests/Cargo.toml
@@ -13,6 +13,6 @@ libp2p = { path = "../libp2p", features = ["tokio", "dcutr", "identify", "macros
 tracing = "0.1.37"
 redis = { version = "0.23.0", default-features = false, features = ["tokio-comp"] }
 tokio = { version = "1.36.0", features = ["full"] }
-serde = { version = "1.0.196", features = ["derive"] }
+serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.113"
 either = "1.9.0"
diff --git a/misc/keygen/Cargo.toml b/misc/keygen/Cargo.toml
index c7989fb4793..47c2248cd10 100644
--- a/misc/keygen/Cargo.toml
+++ b/misc/keygen/Cargo.toml
@@ -15,7 +15,7 @@ release = false
 [dependencies]
 clap = { version = "4.4.16", features = ["derive"] }
 zeroize = "1"
-serde = { version = "1.0.196", features = ["derive"] }
+serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.113"
 libp2p-core = { workspace = true }
 base64 = "0.21.7"
diff --git a/misc/server/Cargo.toml b/misc/server/Cargo.toml
index 9653ddc5d76..77dce8613f5 100644
--- a/misc/server/Cargo.toml
+++ b/misc/server/Cargo.toml
@@ -18,7 +18,7 @@ futures-timer = "3"
 hyper = { version = "0.14", features = ["server", "tcp", "http1"] }
 libp2p = { workspace = true, features = ["autonat", "dns", "tokio", "noise", "tcp", "yamux", "identify", "kad", "ping", "relay", "metrics", "rsa", "macros", "quic", "websocket"] }
 prometheus-client = { workspace = true }
-serde = "1.0.196"
+serde = "1.0.228"
 serde_derive = "1.0.125"
 serde_json = "1.0"
 tokio = { version = "1", features = ["rt-multi-thread", "macros"] }