diff --git a/Cargo.lock b/Cargo.lock
index 01429a185d..4fc3e44c29 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -571,9 +571,9 @@ dependencies = [
 
 [[package]]
 name = "bip32"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e141fb0f8be1c7b45887af94c88b182472b57c96b56773250ae00cd6a14a164"
+checksum = "aa13fae8b6255872fd86f7faf4b41168661d7d78609f7bfe6771b85c6739a15b"
 dependencies = [
  "bs58",
  "hmac 0.12.1",
diff --git a/Cargo.toml b/Cargo.toml
index 28dcd84faa..408284a8f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -152,7 +152,7 @@ substrate-runner = { path = "testing/substrate-runner" }
 
 # subxt-signer deps that I expect aren't useful anywhere else:
 bip39 = { version = "2.0.0", default-features = false }
-bip32 = { version = "0.5.1", default-features = false }
+bip32 = { version = "0.5.2", default-features = false }
 hmac = { version = "0.12.1", default-features = false }
 pbkdf2 = { version = "0.12.2", default-features = false }
 schnorrkel = { version = "0.11.4", default-features = false }