diff --git a/Cargo.lock b/Cargo.lock
index ce9e6d92c79c3..cc3891481b542 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3558,9 +3558,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.19"
+version = "0.3.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d357c7ae988e7d2182f7d7871d0b963962420b0678b0997ce7de72001aeab782"
+checksum = "91fc23aa11be92976ef4729127f1a74adf36d8436f7816b185d18df956790833"
 dependencies = [
  "bytes 1.4.0",
  "fnv",
diff --git a/Cargo.toml b/Cargo.toml
index de6bdc4cb2552..cf88670b64a3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -254,7 +254,7 @@ futures-util = { version = "0.3.28", default-features = false }
 glob = { version = "0.3.1", default-features = false }
 governor = { version = "0.5.1", default-features = false, features = ["dashmap", "jitter", "std"], optional = true }
 grok = { version = "2.0.0", default-features = false, optional = true }
-h2 = { version = "0.3.19", default-features = false, optional = true }
+h2 = { version = "0.3.21", default-features = false, optional = true }
 hash_hasher = { version = "2.0.0", default-features = false }
 hashbrown = { version = "0.14.0", default-features = false, optional = true, features = ["ahash"] }
 headers = { version = "0.3.8", default-features = false }