diff --git a/Cargo.lock b/Cargo.lock
index 0e4a72cff..c67839cb2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1891,9 +1891,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.149"
+version = "1.0.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
+checksum = "e8014e44b4736ed0538adeecded0fce2a272f22dc9578a7eb6b2d9993c74cfb9"
 dependencies = [
  "indexmap",
  "itoa",
diff --git a/bins/bjs/Cargo.toml b/bins/bjs/Cargo.toml
index 95140c78d..96813cc25 100644
--- a/bins/bjs/Cargo.toml
+++ b/bins/bjs/Cargo.toml
@@ -18,7 +18,7 @@ itertools = "0.14.0"
 jsruntime = { path = "../../libs/jsruntime" }
 logging = { path = "../../libs/logging" }
 serde = { version = "1.0.228", features = ["derive"] }
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 
 [lints]
 workspace = true
diff --git a/bins/dfagen/Cargo.toml b/bins/dfagen/Cargo.toml
index 50c957d07..6657e6be8 100644
--- a/bins/dfagen/Cargo.toml
+++ b/bins/dfagen/Cargo.toml
@@ -17,7 +17,7 @@ indexmap = { version = "2.13.1", features = ["serde"] }
 logging = { path = "../../libs/logging" }
 maplit = "1.0.2"
 serde = { version = "1.0.228", features = ["derive", "rc"] }
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 serde_yaml = "0.9.34"
 smallvec = "1.15.1"
 
diff --git a/bins/estree/Cargo.toml b/bins/estree/Cargo.toml
index 11ce03a6d..dd6f7f0cd 100644
--- a/bins/estree/Cargo.toml
+++ b/bins/estree/Cargo.toml
@@ -16,7 +16,7 @@ clap = { version = "4.6.1", features = ["env", "derive", "wrap_help"] }
 jsparser = { path = "../../libs/jsparser", features = ["location"] }
 logging = { path = "../../libs/logging" }
 serde = { version = "1.0.228", features = ["derive", "rc"] }
-serde_json = { version = "1.0.149", features = ["preserve_order"] }
+serde_json = { version = "1.0.150", features = ["preserve_order"] }
 
 [lints]
 workspace = true
diff --git a/bins/jsoncmp/Cargo.toml b/bins/jsoncmp/Cargo.toml
index 90e77eb31..b8cde60a3 100644
--- a/bins/jsoncmp/Cargo.toml
+++ b/bins/jsoncmp/Cargo.toml
@@ -16,7 +16,7 @@ clap = { version = "4.6.1", features = ["env", "derive", "wrap_help"] }
 serde = { version = "1.0.228", features = ["derive"] }
 # "unbounded_depth" is needed for parsing a large JSON.
 # See https://github.com/serde-rs/json/issues/334.
-serde_json = { version = "1.0.149", features = ["preserve_order", "unbounded_depth"] }
+serde_json = { version = "1.0.150", features = ["preserve_order", "unbounded_depth"] }
 
 [lints]
 workspace = true
diff --git a/bins/lalrgen/Cargo.toml b/bins/lalrgen/Cargo.toml
index 95ac7bda9..764b47fda 100644
--- a/bins/lalrgen/Cargo.toml
+++ b/bins/lalrgen/Cargo.toml
@@ -22,7 +22,7 @@ logging = { path = "../../libs/logging" }
 maplit = "1.0.2"
 rayon = "1.12.0"
 serde = { version = "1.0.228", features = ["derive", "rc"] }
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 serde_yaml = "0.9.34"
 
 [dev-dependencies]
diff --git a/bins/lmp/Cargo.toml b/bins/lmp/Cargo.toml
index c133887c7..c954b7960 100644
--- a/bins/lmp/Cargo.toml
+++ b/bins/lmp/Cargo.toml
@@ -13,7 +13,7 @@ version.workspace = true
 anyhow = "1.0.102"
 clap = { version = "4.6.1", features = ["env", "derive", "wrap_help"] }
 layout = { path = "../../libs/layout", features = ["service"] }
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 
 [lints]
 workspace = true
diff --git a/bins/test262/Cargo.toml b/bins/test262/Cargo.toml
index e3b89baa0..b4993ba3b 100644
--- a/bins/test262/Cargo.toml
+++ b/bins/test262/Cargo.toml
@@ -22,7 +22,7 @@ pathdiff = "0.2.3"
 rayon = "1.12.0"
 rustc-hash = "2.1.2"
 serde = { version = "1.0.228", features = ["derive", "rc"] }
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 serde_norway = "0.9.42"
 walkdir = "2.5.0"
 
diff --git a/libs/htmltokenizer/Cargo.toml b/libs/htmltokenizer/Cargo.toml
index 1b96321cf..d5d6166a7 100644
--- a/libs/htmltokenizer/Cargo.toml
+++ b/libs/htmltokenizer/Cargo.toml
@@ -18,7 +18,7 @@ thiserror = "2.0.18"
 anyhow = "1.0.102"
 assert_matches = "1.5.0"
 serde = { version = "1.0.228", features = ["derive"] }
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 
 [lints]
 workspace = true
diff --git a/libs/layout/Cargo.toml b/libs/layout/Cargo.toml
index 8a793a817..25c72e7da 100644
--- a/libs/layout/Cargo.toml
+++ b/libs/layout/Cargo.toml
@@ -18,12 +18,12 @@ geometry = { path = "../geometry" }
 logging = { path = "../logging" }
 num-traits = "0.2.19"
 serde = { version = "1.0.228", features = ["derive", "rc"], optional = true }
-serde_json = { version = "1.0.149", optional = true }
+serde_json = { version = "1.0.150", optional = true }
 
 [dev-dependencies]
 assert-json-diff = "2.0.2"
 assert_matches = "1.5.0"
-serde_json = "1.0.149"
+serde_json = "1.0.150"
 serde_yaml = "0.9.34"
 
 [lints]