diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 2bae84429d..1e71c25da9 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -75,9 +75,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.15"
+version = "0.7.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
 dependencies = [
  "memchr",
 ]
@@ -7191,14 +7191,13 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "1.4.3"
+version = "1.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9251239e129e16308e70d853559389de218ac275b515068abc96829d05b948a"
+checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
 dependencies = [
  "aho-corasick",
  "memchr",
  "regex-syntax",
- "thread_local",
 ]
 
 [[package]]
@@ -7213,9 +7212,9 @@ dependencies = [
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.22"
+version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5eb417147ba9860a96cfe72a0b93bf88fee1744b5636ec99ab20c1aa9376581"
+checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
 [[package]]
 name = "region"
diff --git a/substrate/client/cli/Cargo.toml b/substrate/client/cli/Cargo.toml
index 963d5b3d0a..ee72958f74 100644
--- a/substrate/client/cli/Cargo.toml
+++ b/substrate/client/cli/Cargo.toml
@@ -14,7 +14,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 log = "0.4.11"
-regex = "1.4.2"
+regex = "1.5.4"
 tokio = { version = "1.10", features = [ "signal", "rt-multi-thread" ] }
 futures = "0.3.9"
 fdlimit = "0.2.1"
diff --git a/substrate/client/tracing/Cargo.toml b/substrate/client/tracing/Cargo.toml
index 2d05f80be4..5dfa3efa77 100644
--- a/substrate/client/tracing/Cargo.toml
+++ b/substrate/client/tracing/Cargo.toml
@@ -20,7 +20,7 @@ lazy_static = "1.4.0"
 log = { version = "0.4.8" }
 once_cell = "1.8.0"
 parking_lot = "0.11.1"
-regex = "1.4.2"
+regex = "1.5.4"
 rustc-hash = "1.1.0"
 serde = "1.0.126"
 thiserror = "1.0.21"
diff --git a/substrate/primitives/core/Cargo.toml b/substrate/primitives/core/Cargo.toml
index 9727d1e4f2..902aa2f655 100644
--- a/substrate/primitives/core/Cargo.toml
+++ b/substrate/primitives/core/Cargo.toml
@@ -34,7 +34,7 @@ base58 = { version = "0.1.0", optional = true }
 rand = { version = "0.7.3", optional = true, features = ["small_rng"] }
 substrate-bip39 = { version = "0.4.2", optional = true }
 tiny-bip39 = { version = "0.8.2", optional = true }
-regex = { version = "1.4.2", optional = true }
+regex = { version = "1.5.4", optional = true }
 num-traits = { version = "0.2.8", default-features = false }
 zeroize = { version = "1.4.2", default-features = false }
 secrecy = { version = "0.8.0", default-features = false }