diff --git a/Cargo.lock b/Cargo.lock
index 4ae9724..55189c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -86,7 +86,7 @@ dependencies = [
  "bitflags 1.3.2",
  "bytes",
  "futures-util",
- "http",
+ "http 0.2.9",
  "http-body",
  "hyper",
  "itoa",
@@ -116,7 +116,7 @@ dependencies = [
  "async-trait",
  "bytes",
  "futures-util",
- "http",
+ "http 0.2.9",
  "http-body",
  "mime",
  "rustversion",
@@ -558,7 +558,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "futures-util",
- "http",
+ "http 0.2.9",
  "indexmap",
  "slab",
  "tokio",
@@ -574,14 +574,14 @@ checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
 
 [[package]]
 name = "headers"
-version = "0.3.9"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06683b93020a07e3dbcf5f8c0f6d40080d725bea7936fc01ad345c01b97dc270"
+checksum = "322106e6bd0cba2d5ead589ddb8150a13d7c4217cf80d7c4f682ca994ccc6aa9"
 dependencies = [
  "base64",
  "bytes",
  "headers-core",
- "http",
+ "http 1.0.0",
  "httpdate",
  "mime",
  "sha1",
@@ -589,11 +589,11 @@ dependencies = [
 
 [[package]]
 name = "headers-core"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7f66481bfee273957b1f20485a4ff3362987f85b2c236580d81b4eb7a326429"
+checksum = "54b4a22553d4242c49fddb9ba998a99962b5cc6f22cb5a3482bec22522403ce4"
 dependencies = [
- "http",
+ "http 1.0.0",
 ]
 
 [[package]]
@@ -646,6 +646,17 @@ dependencies = [
  "itoa",
 ]
 
+[[package]]
+name = "http"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b32afd38673a8016f7c9ae69e5af41a58f81b1d31689040f2f1959594ce194ea"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
+
 [[package]]
 name = "http-body"
 version = "0.4.5"
@@ -653,7 +664,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
 dependencies = [
  "bytes",
- "http",
+ "http 0.2.9",
  "pin-project-lite",
 ]
 
@@ -680,7 +691,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.9",
  "http-body",
  "httparse",
  "httpdate",
@@ -700,7 +711,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec3efd23720e2049821a693cbc7e65ea87c72f1c58ff2f9522ff332b1491e590"
 dependencies = [
  "futures-util",
- "http",
+ "http 0.2.9",
  "hyper",
  "rustls",
  "tokio",
@@ -917,7 +928,7 @@ dependencies = [
  "elliptic-curve",
  "generic-array 1.0.0",
  "headers",
- "http",
+ "http 0.2.9",
  "hyper",
  "indoc",
  "listenfd",
@@ -1350,7 +1361,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.9",
  "http-body",
  "hyper",
  "hyper-rustls",
diff --git a/Cargo.toml b/Cargo.toml
index cc7aa24..85c3f46 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ digest = { version = "0.10.5", features = ["mac"] }
 ecdsa = { version = "0.16.8", features = ["std", "digest", "signing", "verifying", "pkcs8", "pem", "hazmat"] }
 elliptic-curve = { version = "0.13.6", features = ["arithmetic", "pem", "alloc", "std", "sec1", "hazmat"] }
 generic-array = "1.0.0"
-headers = "0.3.9"
+headers = "0.4.0"
 http = "0.2.9"
 listenfd = "1.0.0"
 num-bigint = "0.4.3"