diff --git a/Cargo.lock b/Cargo.lock
index 4b89cfd57..625331dfa 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -300,7 +300,7 @@ dependencies = [
  "bitflags 1.3.2",
  "bytes",
  "futures-util",
- "http",
+ "http 0.2.11",
  "http-body",
  "hyper",
  "itoa",
@@ -326,7 +326,7 @@ dependencies = [
  "async-trait",
  "bytes",
  "futures-util",
- "http",
+ "http 0.2.11",
  "http-body",
  "mime",
  "rustversion",
@@ -1432,7 +1432,7 @@ dependencies = [
  "futures-core",
  "futures-sink",
  "futures-util",
- "http",
+ "http 0.2.11",
  "indexmap 1.9.3",
  "slab",
  "tokio",
@@ -1593,13 +1593,24 @@ 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-api-problem"
 version = "0.57.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bce650a2c63171c9d92f95887c8d81154b77385301c8a581b9af96491f52d765"
 dependencies = [
- "http",
+ "http 0.2.11",
  "serde",
  "serde_json",
 ]
@@ -1611,7 +1622,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d5f38f16d184e36f2408a55281cd658ecbd3ca05cce6d6510a176eca393e26d1"
 dependencies = [
  "bytes",
- "http",
+ "http 0.2.11",
  "pin-project-lite",
 ]
 
@@ -1660,7 +1671,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.11",
  "http-body",
  "httparse",
  "httpdate",
@@ -1680,7 +1691,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d78e1e73ec14cf7375674f74d7dde185c8206fd9dea6fb6295e8a98098aaa97"
 dependencies = [
  "futures-util",
- "http",
+ "http 0.2.11",
  "hyper",
  "log",
  "rustls",
@@ -1839,7 +1850,7 @@ dependencies = [
  "futures",
  "git-version",
  "hex",
- "http",
+ "http 1.0.0",
  "http-api-problem",
  "itertools 0.11.0",
  "janus_aggregator",
@@ -1948,7 +1959,7 @@ dependencies = [
  "derivative",
  "futures",
  "hex",
- "http",
+ "http 1.0.0",
  "http-api-problem",
  "janus_aggregator_core",
  "janus_core",
@@ -1992,7 +2003,7 @@ dependencies = [
  "backoff",
  "derivative",
  "hex-literal",
- "http",
+ "http 1.0.0",
  "itertools 0.11.0",
  "janus_core",
  "janus_messages 0.6.9",
@@ -2050,7 +2061,7 @@ dependencies = [
  "futures",
  "hex",
  "hpke-dispatch",
- "http",
+ "http 1.0.0",
  "http-api-problem",
  "janus_core",
  "janus_messages 0.6.9",
@@ -2093,7 +2104,7 @@ dependencies = [
  "divviup-client",
  "futures",
  "hex",
- "http",
+ "http 1.0.0",
  "itertools 0.11.0",
  "janus_aggregator",
  "janus_aggregator_core",
@@ -2302,7 +2313,7 @@ dependencies = [
  "either",
  "futures",
  "home",
- "http",
+ "http 0.2.11",
  "http-body",
  "hyper",
  "hyper-rustls",
@@ -2336,7 +2347,7 @@ checksum = "b5bba93d054786eba7994d03ce522f368ef7d48c88a1826faa28478d85fb63ae"
 dependencies = [
  "chrono",
  "form_urlencoded",
- "http",
+ "http 0.2.11",
  "k8s-openapi",
  "once_cell",
  "serde",
@@ -2692,7 +2703,7 @@ checksum = "f24cda83b20ed2433c68241f918d0f6fdec8b1d43b7a9590ab4420c5095ca930"
 dependencies = [
  "async-trait",
  "futures-core",
- "http",
+ "http 0.2.11",
  "opentelemetry",
  "opentelemetry-proto",
  "opentelemetry-semantic-conventions",
@@ -3393,7 +3404,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.11",
  "http-body",
  "hyper",
  "hyper-rustls",
@@ -3428,7 +3439,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "128d55dc93b909e04874b53878316eb687633459706f8fc647de333cc0620caa"
 dependencies = [
  "chrono",
- "http",
+ "http 0.2.11",
  "thiserror",
 ]
 
@@ -4669,7 +4680,7 @@ dependencies = [
  "futures-core",
  "futures-util",
  "h2",
- "http",
+ "http 0.2.11",
  "http-body",
  "hyper",
  "hyper-timeout",
@@ -4696,7 +4707,7 @@ dependencies = [
  "base64",
  "bytes",
  "h2",
- "http",
+ "http 0.2.11",
  "http-body",
  "hyper",
  "hyper-timeout",
@@ -4742,7 +4753,7 @@ dependencies = [
  "bytes",
  "futures-core",
  "futures-util",
- "http",
+ "http 0.2.11",
  "http-body",
  "http-range-header",
  "mime",
@@ -5134,7 +5145,7 @@ dependencies = [
  "byteorder",
  "bytes",
  "data-encoding",
- "http",
+ "http 0.2.11",
  "httparse",
  "log",
  "rand",
diff --git a/aggregator/Cargo.toml b/aggregator/Cargo.toml
index 4c319fcd0..db4582185 100644
--- a/aggregator/Cargo.toml
+++ b/aggregator/Cargo.toml
@@ -52,7 +52,7 @@ fixed = { version = "1.24", optional = true }
 futures = "0.3.30"
 git-version = "0.3.9"
 hex = { version = "0.4.3", features = ["serde"], optional = true }
-http = "0.2.11"
+http = "1.0.0"
 http-api-problem = "0.57.0"
 itertools.workspace = true
 janus_aggregator_api.workspace = true
diff --git a/aggregator_core/Cargo.toml b/aggregator_core/Cargo.toml
index c9297ebb9..43d56d5ec 100644
--- a/aggregator_core/Cargo.toml
+++ b/aggregator_core/Cargo.toml
@@ -24,7 +24,7 @@ deadpool-postgres = "0.12.1"
 derivative.workspace = true
 futures = "0.3.30"
 hex = { version = "0.4.3", features = ["serde"], optional = true }
-http = "0.2.11"
+http = "1.0.0"
 http-api-problem = "0.57.0"
 janus_core.workspace = true
 janus_messages.workspace = true
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 9bc27de00..5674f5f0f 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -12,7 +12,7 @@ version.workspace = true
 [dependencies]
 backoff = { version = "0.4.0", features = ["tokio"] }
 derivative.workspace = true
-http = "0.2.11"
+http = "1.0.0"
 itertools.workspace = true
 janus_core.workspace = true
 janus_messages.workspace = true
diff --git a/core/Cargo.toml b/core/Cargo.toml
index 0f6cc54a2..a04241217 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -41,7 +41,7 @@ fixed = { version = "1.24", optional = true }
 futures = "0.3.30"
 hex = "0.4"
 hpke-dispatch = { version = "0.5.1", features = ["serde"] }
-http = "0.2.11"
+http = "1.0.0"
 http-api-problem = "0.57.0"
 janus_messages.workspace = true
 kube = { workspace = true, optional = true, features = ["rustls-tls"] }
diff --git a/integration_tests/Cargo.toml b/integration_tests/Cargo.toml
index f9c1b1cd3..2c62b0ed2 100644
--- a/integration_tests/Cargo.toml
+++ b/integration_tests/Cargo.toml
@@ -21,7 +21,7 @@ base64.workspace = true
 clap.workspace = true
 futures = "0.3.30"
 hex = "0.4"
-http = "0.2"
+http = "1.0"
 itertools.workspace = true
 janus_aggregator = { workspace = true, features = ["test-util"] }
 janus_aggregator_core = { workspace = true, features = ["test-util"] }