diff --git a/Cargo.lock b/Cargo.lock
index 4f1a23f18ba..98817bba467 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4053,9 +4053,9 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.7.1"
+version = "1.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48aaa5748ba571fb95cd2c85c09f629215d3a6ece942baa100950af03a34f733"
+checksum = "8b1f693b24f6ac912f4893ef08244d70b6067480d2f1a46e950c9691e6749d1d"
 dependencies = [
  "aho-corasick",
  "memchr",
@@ -4064,9 +4064,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.28"
+version = "0.6.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "456c603be3e8d448b072f410900c09faf164fbce2d480456f50eea6e25f9c848"
+checksum = "f162c6dd7b008981e4d40210aca20b4bd0f9b60ca9271061b07f78537722f2e1"
 
 [[package]]
 name = "relay-server-example"
diff --git a/protocols/gossipsub/Cargo.toml b/protocols/gossipsub/Cargo.toml
index deecb8101ae..4471736c3d3 100644
--- a/protocols/gossipsub/Cargo.toml
+++ b/protocols/gossipsub/Cargo.toml
@@ -28,7 +28,7 @@ smallvec = "1.6.1"
 quick-protobuf = "0.8"
 quick-protobuf-codec = { version = "0.1", path = "../../misc/quick-protobuf-codec" }
 hex_fmt = "0.3.0"
-regex = "1.5.5"
+regex = "1.7.3"
 serde = { version = "1", optional = true, features = ["derive"] }
 thiserror = "1.0"
 wasm-timer = "0.2.5"