diff --git a/Cargo.lock b/Cargo.lock
index ebe24b23e1..0d88f82082 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -111,7 +111,7 @@ checksum = "16e62a023e7c117e27523144c5d2459f4397fcc3cab0085af8e2224f643a0193"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -122,7 +122,7 @@ checksum = "b9ccdd8f2a161be9bd5c023df56f1b2a0bd1d83872ae53b71a84a12c9bf6e842"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -1060,7 +1060,7 @@ checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -2259,7 +2259,7 @@ checksum = "39407670928234ebc5e6e580247dd567ad73a3578460c5990f9503df207e8f07"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -2327,9 +2327,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.59"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6aeca18b86b413c660b781aa319e4e2648a3e6f9eadc9b47e9038e6fe9f3451b"
+checksum = "7b368fba921b0dce7e60f5e04ec15e565b3303972b42bcfde1d0713b881959eb"
 dependencies = [
  "unicode-ident",
 ]
@@ -2949,9 +2949,9 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.164"
+version = "1.0.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e8c8cf938e98f769bc164923b06dce91cea1751522f46f8466461af04c9027d"
+checksum = "d01b7404f9d441d3ad40e6a636a7782c377d2abdbe4fa2440e2edcc2f4f10db8"
 dependencies = [
  "serde_derive",
 ]
@@ -2977,13 +2977,13 @@ dependencies = [
 
 [[package]]
 name = "serde_derive"
-version = "1.0.164"
+version = "1.0.166"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9735b638ccc51c28bf6914d90a2e9725b377144fc612c49a611fddd1b631d68"
+checksum = "5dd83d6dde2b6b2d466e14d9d1acce8816dedee94f735eac6395808b3483c6d6"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -3014,7 +3014,7 @@ checksum = "bcec881020c684085e55a25f7fd888954d56609ef363479dc5a1305eb0d40cab"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -3073,7 +3073,7 @@ checksum = "91d129178576168c589c9ec973feedf7d3126c01ac2bf08795109aa35b69fb8f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -3301,9 +3301,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.18"
+version = "2.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32d41677bcbe24c20c52e7c70b0d8db04134c5d1066bf98662e2871ad200ea3e"
+checksum = "59fb7d6d8281a51045d62b8eb3a7d1ce347b76f312af50cd3dc0af39c87c1737"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3568,7 +3568,7 @@ checksum = "f9456a42c5b0d803c8cd86e73dd7cc9edd429499f37a3550d286d5e86720569f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -3698,7 +3698,7 @@ checksum = "630bdcf245f78637c13ec01ffae6187cca34625e8c63150d424b59e55af2675e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -3886,7 +3886,7 @@ checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -4180,7 +4180,7 @@ dependencies = [
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
  "wasm-bindgen-shared",
 ]
 
@@ -4214,7 +4214,7 @@ checksum = "e128beba882dd1eb6200e1dc92ae6c5dbaa4311aa7bb211ca035779e5efc39f8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -4495,5 +4495,5 @@ checksum = "ce36e65b0d2999d2aafac989fb249189a141aee1f53c612c1f37d72631959f69"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.18",
+ "syn 2.0.23",
 ]
diff --git a/crates/chain-registry/Cargo.toml b/crates/chain-registry/Cargo.toml
index 827a50d0c3..f6ccb14f84 100644
--- a/crates/chain-registry/Cargo.toml
+++ b/crates/chain-registry/Cargo.toml
@@ -22,7 +22,7 @@ futures     = { version = "0.3.27", features = ["executor"] }
 http        = "0.2"
 itertools   = "0.10.5"
 reqwest     = { version = "0.11.13", features = ["rustls-tls", "json"], default-features = false }
-serde       = "1.0.164"
+serde       = "1.0.166"
 serde_json  = "1"
 tokio       = "1.17.0"
 tracing     = "0.1.36"
diff --git a/crates/telemetry/Cargo.toml b/crates/telemetry/Cargo.toml
index 7c02ccbd8e..51cfe18f1a 100644
--- a/crates/telemetry/Cargo.toml
+++ b/crates/telemetry/Cargo.toml
@@ -22,7 +22,7 @@ prometheus               = "0.13.2"
 moka                     = "0.11.2"
 dashmap                  = "5.4.0"
 serde_json               = "1.0.94"
-serde                    = "1.0.164"
+serde                    = "1.0.166"
 axum                     = "0.6.18"
 tokio                    = "1.26.0"
 tracing                  = "0.1.36"
diff --git a/tools/integration-test/Cargo.toml b/tools/integration-test/Cargo.toml
index d5d9781bc5..6313fa12f5 100644
--- a/tools/integration-test/Cargo.toml
+++ b/tools/integration-test/Cargo.toml
@@ -23,7 +23,7 @@ serde_json = "1"
 time = "0.3"
 toml = "0.7"
 tonic = { version = "0.9", features = ["tls", "tls-roots"] }
-serde = "1.0.164"
+serde = "1.0.166"
 
 [features]
 default = []