diff --git a/Cargo.lock b/Cargo.lock
index 5f4c8eb541bc52..59ce04676e4f50 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2926,7 +2926,7 @@ dependencies = [
  "once_cell",
  "proc-macro2 1.0.63",
  "quote 1.0.29",
- "syn 2.0.10",
+ "syn 2.0.23",
 ]
 
 [[package]]
@@ -4895,9 +4895,9 @@ dependencies = [
 
 [[package]]
 name = "metrics"
-version = "0.21.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa8ebbd1a9e57bbab77b9facae7f5136aea44c356943bf9a198f647da64285d6"
+checksum = "fde3af1a009ed76a778cb84fdef9e7dbbdf5775ae3e4cc1f434a6a307f6f76c5"
 dependencies = [
  "ahash 0.8.2",
  "metrics-macros",
diff --git a/Cargo.toml b/Cargo.toml
index b2bf3eccbe315a..e62aa5c59c3cc3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -159,7 +159,7 @@ tracing-subscriber = { version = "0.3.17", default-features = false, features =
 tracing-tower = { git = "https://github.com/tokio-rs/tracing", default-features = false, rev = "e0642d949891546a3bb7e47080365ee7274f05cd" }
 
 # Metrics
-metrics = "0.21.0"
+metrics = "0.21.1"
 metrics-tracing-context = { version = "0.14.0", default-features = false }
 
 # AWS - Official SDK
diff --git a/lib/vector-buffers/Cargo.toml b/lib/vector-buffers/Cargo.toml
index 09de0d0ac61535..a145ae2d7e2cb2 100644
--- a/lib/vector-buffers/Cargo.toml
+++ b/lib/vector-buffers/Cargo.toml
@@ -17,7 +17,7 @@ crossbeam-utils = { version = "0.8.16", default-features = false }
 fslock = { version = "0.2.1", default-features = false, features = ["std"] }
 futures = { version = "0.3.28", default-features = false, features = ["std"] }
 memmap2 = { version = "0.7.1", default-features = false }
-metrics = "0.21.0"
+metrics = "0.21.1"
 num-traits = { version = "0.2.15", default-features = false }
 pin-project = { version = "1.1.1", default-features = false }
 rkyv = { version = "0.7.40", default-features = false, features = ["size_32", "std", "strict", "validation"] }
diff --git a/lib/vector-common/Cargo.toml b/lib/vector-common/Cargo.toml
index e1dda9e0fe0396..3292eef666f732 100644
--- a/lib/vector-common/Cargo.toml
+++ b/lib/vector-common/Cargo.toml
@@ -49,7 +49,7 @@ crossbeam-utils = { version = "0.8.16", default-features = false }
 derivative = { version = "2.2.0", default-features = false }
 futures = { version = "0.3.28", default-features = false, features = ["std"] }
 indexmap = { version = "~2.0.0", default-features = false, features = ["std"] }
-metrics = "0.21.0"
+metrics = "0.21.1"
 nom = { version = "7", optional = true }
 ordered-float = { version = "3.7.0", default-features = false }
 paste = "1.0.13"
diff --git a/lib/vector-core/Cargo.toml b/lib/vector-core/Cargo.toml
index 13958836404695..1961ab86c4254e 100644
--- a/lib/vector-core/Cargo.toml
+++ b/lib/vector-core/Cargo.toml
@@ -24,7 +24,7 @@ http = { version = "0.2.9", default-features = false }
 hyper-proxy = { version = "0.9.1", default-features = false, features = ["openssl-tls"] }
 indexmap = { version = "~2.0.0", default-features = false, features = ["serde", "std"] }
 lookup = { package = "vector-lookup", path = "../vector-lookup" }
-metrics = "0.21.0"
+metrics = "0.21.1"
 metrics-tracing-context = { version = "0.14.0", default-features = false }
 metrics-util = { version = "0.15.0", default-features = false, features = ["registry"] }
 mlua = { version = "0.8.9", default-features = false, features = ["lua54", "send", "vendored"], optional = true }