diff --git a/Cargo.lock b/Cargo.lock
index 2877daf5c2..c20b150c9e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -973,9 +973,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.2"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38cf2c13ed4745de91a5eb834e11c00bcc3709e773173b2ce4c56c9fbde04b9c"
+checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -994,9 +994,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.21"
+version = "0.6.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b181ba2dcf07aaccad5448e8ead58db5b742cf85dfe035e2227f137a539a189"
+checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
 
 [[package]]
 name = "regress"
diff --git a/boa_cli/Cargo.toml b/boa_cli/Cargo.toml
index 233eeafdf0..93492e3332 100644
--- a/boa_cli/Cargo.toml
+++ b/boa_cli/Cargo.toml
@@ -18,7 +18,7 @@ rustyline-derive = "0.4.0"
 structopt = "0.3.21"
 serde_json = "1.0.61"
 colored = "2.0.0"
-regex = "1.4.2"
+regex = "1.4.3"
 lazy_static = "1.4.0"
 
 [features]
diff --git a/boa_tester/Cargo.toml b/boa_tester/Cargo.toml
index 4f80d83a78..71cc223e0f 100644
--- a/boa_tester/Cargo.toml
+++ b/boa_tester/Cargo.toml
@@ -17,7 +17,7 @@ serde = { version = "1.0.118", features = ["derive"] }
 serde_yaml = "0.8.15"
 serde_json = "1.0.61"
 bitflags = "1.2.1"
-regex = "1.4.2"
+regex = "1.4.3"
 once_cell = "1.5.2"
 colored = "2.0.0"
 fxhash = "0.2.1"