diff --git a/Cargo.lock b/Cargo.lock
index 91edca0ee9..1b44d230a9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -758,9 +758,9 @@ checksum = "72ef4a56884ca558e5ddb05a1d1e7e1bfd9a68d9ed024c21704cc98872dae1bb"
 
 [[package]]
 name = "num-bigint"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74e768dff5fb39a41b3bcd30bb25cf989706c90d028d1ad71971987aa309d535"
+checksum = "f93ab6289c7b344a8a9f60f88d80aa20032336fe78da341afc91c8a2341fc75f"
 dependencies = [
  "autocfg",
  "num-integer",
diff --git a/boa/Cargo.toml b/boa/Cargo.toml
index 308e3ef0b1..d97a90fb17 100644
--- a/boa/Cargo.toml
+++ b/boa/Cargo.toml
@@ -30,7 +30,7 @@ rand = "0.8.4"
 num-traits = "0.2.14"
 regress = "0.4.1"
 rustc-hash = "1.1.0"
-num-bigint = { version = "0.4.2", features = ["serde"] }
+num-bigint = { version = "0.4.3", features = ["serde"] }
 num-integer = "0.1.44"
 bitflags = "1.3.2"
 indexmap = "1.7.0"