diff --git a/Cargo.lock b/Cargo.lock
index 81dbfe03..c5039ed3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "addr2line"
@@ -2253,11 +2253,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.120"
+version = "1.0.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4e0d21c9a8cae1235ad58a00c11cb40d4b1e5c784f1ef2c537876ed6ffd8b7c5"
+checksum = "d401abef1d108fbd9cbaebc3e46611f4b1021f714a0597a71f41ee463f5f4a5a"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
diff --git a/core/Cargo.toml b/core/Cargo.toml
index af4c362e..937f4cf0 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -24,7 +24,7 @@ hkdf = "^0.12.4"
 lazy_static = "^1.5"
 rand = "^0.8"
 serde = { version = "^1.0.203", features = ["derive"], optional = true }
-serde_json = { version = "^1.0.120", optional = true }
+serde_json = { version = "^1.0.143", optional = true }
 sha-1 = "^0.10.1"
 sha2 = "^0.10.8"
 subtle = "^2.4"
diff --git a/integration/gcpkms/Cargo.toml b/integration/gcpkms/Cargo.toml
index 36833a0c..323a6728 100644
--- a/integration/gcpkms/Cargo.toml
+++ b/integration/gcpkms/Cargo.toml
@@ -21,7 +21,7 @@ hyper-rustls = "^0.22.1"
 lazy_static = "^1.5"
 percent-encoding = "^2.3"
 serde = { version = "^1.0", features = ["derive"] }
-serde_json = "^1.0.120"
+serde_json = "^1.0.143"
 tink-core = "^0.3"
 tokio = "^1.16"
 yup-oauth2 = "^5.1"
diff --git a/tests/Cargo.toml b/tests/Cargo.toml
index 4d39673f..af9e69ef 100644
--- a/tests/Cargo.toml
+++ b/tests/Cargo.toml
@@ -19,7 +19,7 @@ p256 = { version = "^0.13.2", features = ["ecdsa", "pkcs8"] }
 rand = "^0.8"
 regex = "^1.10.5"
 serde = { version = "^1.0.203", features = ["derive"] }
-serde_json = "^1.0.120"
+serde_json = "^1.0.143"
 tink-core = { version = "^0.3", features = ["insecure", "json"] }
 tink-aead = "^0.3"
 tink-daead = "^0.3"