diff --git a/Cargo.lock b/Cargo.lock
index ab2ee9202..c1736eaab 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -397,9 +397,9 @@ checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
 
 [[package]]
 name = "base64"
-version = "0.21.6"
+version = "0.21.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c79fed4cdb43e993fcdadc7e58a09fd0e3e649c4436fa11da71c9f1f3ee7feb9"
+checksum = "9d297deb1925b89f2ccc13d7635fa0714f12c87adce1c75356b39ca9b7178567"
 
 [[package]]
 name = "base64ct"
@@ -1864,7 +1864,7 @@ dependencies = [
  "async-trait",
  "atty",
  "backoff",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "chrono",
  "clap",
@@ -1945,7 +1945,7 @@ version = "0.5.33"
 dependencies = [
  "anyhow",
  "async-trait",
- "base64 0.21.6",
+ "base64 0.21.7",
  "derivative",
  "futures",
  "janus_aggregator_core",
@@ -1977,7 +1977,7 @@ dependencies = [
  "assert_matches",
  "async-trait",
  "backoff",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "chrono",
  "deadpool",
@@ -2086,7 +2086,7 @@ dependencies = [
  "anyhow",
  "assert_matches",
  "backoff",
- "base64 0.21.6",
+ "base64 0.21.7",
  "chrono",
  "derivative",
  "fixed",
@@ -2129,7 +2129,7 @@ version = "0.5.33"
 dependencies = [
  "anyhow",
  "backoff",
- "base64 0.21.6",
+ "base64 0.21.7",
  "futures",
  "hex",
  "http 0.2.11",
@@ -2160,7 +2160,7 @@ version = "0.5.33"
 dependencies = [
  "anyhow",
  "backoff",
- "base64 0.21.6",
+ "base64 0.21.7",
  "clap",
  "derivative",
  "fixed",
@@ -2204,7 +2204,7 @@ version = "0.5.33"
 dependencies = [
  "anyhow",
  "assert_matches",
- "base64 0.21.6",
+ "base64 0.21.7",
  "derivative",
  "hex",
  "num_enum",
@@ -2222,7 +2222,7 @@ version = "0.5.33"
 dependencies = [
  "anyhow",
  "assert_matches",
- "base64 0.21.6",
+ "base64 0.21.7",
  "cfg-if",
  "clap",
  "derivative",
@@ -2281,7 +2281,7 @@ version = "0.20.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "edc3606fd16aca7989db2f84bb25684d0270c6d6fa1dbcd0025af7b4130523a6"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "chrono",
  "serde",
@@ -2315,7 +2315,7 @@ version = "0.87.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "033450dfa0762130565890dadf2f8835faedf749376ca13345bcd8ecd6b5f29f"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "chrono",
  "either",
@@ -2836,7 +2836,7 @@ version = "3.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3163d2912b7c3b52d651a055f2c7eec9ba5cd22d26ef75b8dd3a59980b185923"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
  "serde",
 ]
 
@@ -3027,7 +3027,7 @@ version = "0.6.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49b6c5ef183cd3ab4ba005f1ca64c21e8bd97ce4699cfea9e8d9a2c4958ca520"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
  "byteorder",
  "bytes",
  "fallible-iterator",
@@ -3075,7 +3075,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3d13d814fa9a577a07b129e27745f67477679e6750673c8617d034cdf899a5b"
 dependencies = [
  "aes",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bitvec",
  "byteorder",
  "cmac",
@@ -3364,7 +3364,7 @@ version = "0.11.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "37b1ae8d9ac08420c66222fb9096fc5de435c3c48542bc5336c51892cffafb41"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "encoding_rs",
  "futures-core",
@@ -3575,7 +3575,7 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2d3987094b1d07b653b7dfdc3f70ce9a1da9c51ac18c1b06b662e4f9a0e9f4b2"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
 ]
 
 [[package]]
@@ -4137,7 +4137,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e37195395df71fd068f6e2082247891bc11e3289624bbc776a0cdfa1ca7f1ea4"
 dependencies = [
  "atoi",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bitflags 2.4.1",
  "byteorder",
  "bytes",
@@ -4179,7 +4179,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6ac0ac3b7ccd10cc96c7ab29791a7dd236bd94021f31eec7ba3d46a74aa1c24"
 dependencies = [
  "atoi",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bitflags 2.4.1",
  "byteorder",
  "crc",
@@ -4594,7 +4594,7 @@ dependencies = [
  "async-stream",
  "async-trait",
  "axum",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "futures-core",
  "futures-util",
@@ -4626,7 +4626,7 @@ dependencies = [
  "async-stream",
  "async-trait",
  "axum",
- "base64 0.21.6",
+ "base64 0.21.7",
  "bytes",
  "h2",
  "http 0.2.11",
@@ -4670,7 +4670,7 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "55ae70283aba8d2a8b411c695c437fe25b8b5e44e23e780662002fc72fb47a82"
 dependencies = [
- "base64 0.21.6",
+ "base64 0.21.7",
  "bitflags 2.4.1",
  "bytes",
  "futures-core",
diff --git a/aggregator/Cargo.toml b/aggregator/Cargo.toml
index 21c7d2e14..f2324fb65 100644
--- a/aggregator/Cargo.toml
+++ b/aggregator/Cargo.toml
@@ -37,7 +37,7 @@ async-trait = "0.1"
 anyhow.workspace = true
 atty = "0.2"
 backoff = { version = "0.4.0", features = ["tokio"] }
-base64 = "0.21.6"
+base64 = "0.21.7"
 bytes = "1.5.0"
 chrono.workspace = true
 clap = { version = "4.4.14", features = ["derive", "env"] }
diff --git a/aggregator_api/Cargo.toml b/aggregator_api/Cargo.toml
index 6eeebd081..0b26c2c25 100644
--- a/aggregator_api/Cargo.toml
+++ b/aggregator_api/Cargo.toml
@@ -11,7 +11,7 @@ version.workspace = true
 [dependencies]
 anyhow.workspace = true
 async-trait = "0.1"
-base64 = "0.21.6"
+base64 = "0.21.7"
 derivative.workspace = true
 janus_aggregator_core.workspace = true
 janus_core.workspace = true
diff --git a/aggregator_core/Cargo.toml b/aggregator_core/Cargo.toml
index b57e9b0cf..cc80b1ba2 100644
--- a/aggregator_core/Cargo.toml
+++ b/aggregator_core/Cargo.toml
@@ -16,7 +16,7 @@ test-util = ["dep:hex", "dep:sqlx", "dep:testcontainers", "janus_core/test-util"
 anyhow.workspace = true
 async-trait = "0.1"
 backoff = { version = "0.4.0", features = ["tokio"] }
-base64 = "0.21.6"
+base64 = "0.21.7"
 bytes = "1.5.0"
 chrono = "0.4"
 deadpool = { version = "0.10.0", features = ["rt_tokio_1"] }
diff --git a/core/Cargo.toml b/core/Cargo.toml
index ae9be0f6a..63d2b2473 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -35,7 +35,7 @@ test-util = [
 anyhow.workspace = true
 assert_matches = { version = "1", optional = true }
 backoff = { version = "0.4.0", features = ["tokio"] }
-base64 = "0.21.6"
+base64 = "0.21.7"
 chrono = { workspace = true, features = ["clock"] }
 derivative.workspace = true
 futures = "0.3.30"
diff --git a/integration_tests/Cargo.toml b/integration_tests/Cargo.toml
index bbe291e4b..26445819d 100644
--- a/integration_tests/Cargo.toml
+++ b/integration_tests/Cargo.toml
@@ -14,7 +14,7 @@ in-cluster = ["dep:k8s-openapi", "dep:kube"]
 [dependencies]
 anyhow.workspace = true
 backoff = { version = "0.4", features = ["tokio"] }
-base64 = "0.21.6"
+base64 = "0.21.7"
 futures = "0.3.30"
 hex = "0.4"
 http = "0.2"
diff --git a/interop_binaries/Cargo.toml b/interop_binaries/Cargo.toml
index e82d1ec74..5b4abed8f 100644
--- a/interop_binaries/Cargo.toml
+++ b/interop_binaries/Cargo.toml
@@ -25,7 +25,7 @@ testcontainer = [
 [dependencies]
 anyhow.workspace = true
 backoff = { version = "0.4", features = ["tokio"] }
-base64 = "0.21.6"
+base64 = "0.21.7"
 clap = "4.4.14"
 derivative.workspace = true
 futures = { version = "0.3.30", optional = true }
diff --git a/messages/Cargo.toml b/messages/Cargo.toml
index e83e9eb5e..00ca4f807 100644
--- a/messages/Cargo.toml
+++ b/messages/Cargo.toml
@@ -14,7 +14,7 @@ test-util = []
 
 [dependencies]
 anyhow.workspace = true
-base64 = "0.21.6"
+base64 = "0.21.7"
 derivative.workspace = true
 hex = "0.4"
 num_enum = "0.7.2"
diff --git a/tools/Cargo.toml b/tools/Cargo.toml
index caf66c00a..832498d77 100644
--- a/tools/Cargo.toml
+++ b/tools/Cargo.toml
@@ -13,7 +13,7 @@ fpvec_bounded_l2 = ["dep:fixed", "janus_collector/fpvec_bounded_l2", "prio/exper
 
 [dependencies]
 anyhow = "1"
-base64 = "0.21.6"
+base64 = "0.21.7"
 clap = { version = "4.4.14", features = ["cargo", "derive", "env"] }
 derivative.workspace = true
 fixed = { version = "1.24", optional = true }