diff --git a/Cargo.lock b/Cargo.lock
index eb0d0110614..75165105cd4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5330,9 +5330,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.142"
+version = "1.0.143"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "030fedb782600dcbd6f02d479bf0d817ac3bb40d644745b769d6a96bc3afc5a7"
+checksum = "d401abef1d108fbd9cbaebc3e46611f4b1021f714a0597a71f41ee463f5f4a5a"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/Cargo.toml b/Cargo.toml
index 17e080f59b1..eaec5b7f080 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -119,7 +119,7 @@ secrecy = "=0.10.3"
 semver = { version = "=1.0.26", features = ["serde"] }
 sentry = { version = "=0.42.0", features = ["tracing", "tower", "tower-axum-matched-path", "tower-http"] }
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 sha2 = "=0.10.9"
 spdx = "=0.10.9"
 tar = "=0.4.44"
diff --git a/crates/crates_io_cdn_logs/Cargo.toml b/crates/crates_io_cdn_logs/Cargo.toml
index 33ee0e44933..556de2877e4 100644
--- a/crates/crates_io_cdn_logs/Cargo.toml
+++ b/crates/crates_io_cdn_logs/Cargo.toml
@@ -15,7 +15,7 @@ derive_more = { version = "=2.0.1", features = ["deref"] }
 percent-encoding = "=2.3.1"
 semver = "=1.0.26"
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 tokio = { version = "=1.47.1", features = ["io-util"] }
 tracing = "=0.1.41"
 
diff --git a/crates/crates_io_database/Cargo.toml b/crates/crates_io_database/Cargo.toml
index f3315388846..b804d47cef6 100644
--- a/crates/crates_io_database/Cargo.toml
+++ b/crates/crates_io_database/Cargo.toml
@@ -20,7 +20,7 @@ rand = "=0.9.2"
 secrecy = "=0.10.3"
 semver = { version = "=1.0.26", features = ["serde"] }
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 sha2 = "=0.10.9"
 thiserror = "=2.0.12"
 tracing = "=0.1.41"
diff --git a/crates/crates_io_database_dump/Cargo.toml b/crates/crates_io_database_dump/Cargo.toml
index 05883d0fbaa..93b4e9a919b 100644
--- a/crates/crates_io_database_dump/Cargo.toml
+++ b/crates/crates_io_database_dump/Cargo.toml
@@ -13,7 +13,7 @@ chrono = { version = "=0.4.41", default-features = false, features = ["clock", "
 flate2 = "=1.1.2"
 minijinja = "=2.11.0"
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 tar = "=0.4.44"
 tempfile = "=3.20.0"
 toml = "=0.9.5"
diff --git a/crates/crates_io_docs_rs/Cargo.toml b/crates/crates_io_docs_rs/Cargo.toml
index 9b3c2dfd2c3..1ac0b483fb6 100644
--- a/crates/crates_io_docs_rs/Cargo.toml
+++ b/crates/crates_io_docs_rs/Cargo.toml
@@ -24,7 +24,7 @@ url = "=2.5.4"
 
 [dev-dependencies]
 claims = "=0.8.0"
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 mockito = "=1.7.0"
 test-case = "=3.3.1"
 tokio = { version = "=1.47.1", features = ["macros", "rt-multi-thread"] }
diff --git a/crates/crates_io_index/Cargo.toml b/crates/crates_io_index/Cargo.toml
index 7783ce33c81..92945428499 100644
--- a/crates/crates_io_index/Cargo.toml
+++ b/crates/crates_io_index/Cargo.toml
@@ -22,7 +22,7 @@ crates_io_env_vars = { path = "../crates_io_env_vars" }
 git2 = "=0.20.2"
 secrecy = "=0.10.3"
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 tempfile = "=3.20.0"
 tracing = "=0.1.41"
 url = "=2.5.4"
diff --git a/crates/crates_io_smoke_test/Cargo.toml b/crates/crates_io_smoke_test/Cargo.toml
index 5faebb35796..7aa7febc8d0 100644
--- a/crates/crates_io_smoke_test/Cargo.toml
+++ b/crates/crates_io_smoke_test/Cargo.toml
@@ -17,7 +17,7 @@ reqwest = { version = "=0.12.22", features = ["gzip", "json"] }
 secrecy = "=0.10.3"
 semver = { version = "=1.0.26", features = ["serde"] }
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 tempfile = "=3.20.0"
 thiserror = "=2.0.12"
 tokio = { version = "=1.47.1", features = ["fs", "macros", "process", "rt-multi-thread"]}
diff --git a/crates/crates_io_tarball/Cargo.toml b/crates/crates_io_tarball/Cargo.toml
index 8ac507b164c..2c1e6ff5bcf 100644
--- a/crates/crates_io_tarball/Cargo.toml
+++ b/crates/crates_io_tarball/Cargo.toml
@@ -15,7 +15,7 @@ astral-tokio-tar = "=0.5.2"
 cargo-manifest = "=0.19.1"
 flate2 = { version = "=1.1.2", optional = true }
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 tar = { version = "=0.4.44", optional = true }
 thiserror = "=2.0.12"
 tracing = "=0.1.41"
diff --git a/crates/crates_io_trustpub/Cargo.toml b/crates/crates_io_trustpub/Cargo.toml
index b25c0c5f132..6257c0f5d47 100644
--- a/crates/crates_io_trustpub/Cargo.toml
+++ b/crates/crates_io_trustpub/Cargo.toml
@@ -22,7 +22,7 @@ reqwest = { version = "=0.12.22", features = ["gzip", "json"] }
 regex = "=1.11.1"
 secrecy = "=0.10.3"
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = { version = "=1.0.142", optional = true }
+serde_json = { version = "=1.0.143", optional = true }
 sha2 = "=0.10.9"
 thiserror = "=2.0.12"
 tokio = { version = "=1.47.1", features = ["sync"] }
@@ -33,5 +33,5 @@ bon = "=3.6.5"
 claims = "=0.8.0"
 insta = { version = "=1.43.1", features = ["json", "redactions"] }
 mockito = "=1.7.0"
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 tokio = { version = "=1.47.1", features = ["macros", "rt-multi-thread"] }
diff --git a/crates/crates_io_worker/Cargo.toml b/crates/crates_io_worker/Cargo.toml
index d3c59fdc697..bf449b919a4 100644
--- a/crates/crates_io_worker/Cargo.toml
+++ b/crates/crates_io_worker/Cargo.toml
@@ -14,7 +14,7 @@ diesel-async = { version = "=0.6.1", features = ["async-connection-wrapper", "de
 futures-util = "=0.3.31"
 sentry-core = { version = "=0.42.0", features = ["client"] }
 serde = { version = "=1.0.219", features = ["derive"] }
-serde_json = "=1.0.142"
+serde_json = "=1.0.143"
 thiserror = "=2.0.12"
 tokio = { version = "=1.47.1", features = ["rt", "time"]}
 tracing = "=0.1.41"