diff --git a/.changes/bip39-better-refs.md b/.changes/bip39-better-refs.md
deleted file mode 100644
index 0a70f6bb..00000000
--- a/.changes/bip39-better-refs.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"iota-crypto": patch
----
-
-BIP39 reference types and other minor improvements.
diff --git a/.changes/signatures-ord.md b/.changes/signatures-ord.md
deleted file mode 100644
index 8e9dbbd2..00000000
--- a/.changes/signatures-ord.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"iota-crypto": patch
----
-
-Implement `Eq`, `Ord` and `Hash` traits for public key and signature types.
diff --git a/.changes/slip10-cosmetics.md b/.changes/slip10-cosmetics.md
deleted file mode 100644
index 1e43b15c..00000000
--- a/.changes/slip10-cosmetics.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"iota-crypto": patch
----
-
-SLIP10 minor improvements.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80f5797b..8f398a9c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## \[0.21.1]
+
+- [`0c33ca5`](https://www.github.com/iotaledger/crypto.rs/commit/0c33ca571c6695c0f6ace53b9ef278cb74a6c969)([#204](https://www.github.com/iotaledger/crypto.rs/pull/204)) BIP39 reference types and other minor improvements.
+- [`0843e7b`](https://www.github.com/iotaledger/crypto.rs/commit/0843e7b432a4eabf369bbbd212d77c96397a59cb)([#205](https://www.github.com/iotaledger/crypto.rs/pull/205)) Implement `Eq`, `Ord` and `Hash` traits for public key and signature types.
+- [`2926f7c`](https://www.github.com/iotaledger/crypto.rs/commit/2926f7c40e429e5e4ce77a29ed132883153b23fa)([#207](https://www.github.com/iotaledger/crypto.rs/pull/207)) SLIP10 minor improvements.
+
 ## \[0.21.0]
 
 - [`8bc7a70`](https://www.github.com/iotaledger/crypto.rs/commit/8bc7a70f86f094e272280d06fcca0fabfb8f8345)([#200](https://www.github.com/iotaledger/crypto.rs/pull/200)) Use safety wrappers for BIP39 mnemonic and passphrase types for encapsulating normalization (UTF-8 NFKD) checks and avoid potential secret leaks.
diff --git a/Cargo.toml b/Cargo.toml
index 2acff744..3f8f63db 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "iota-crypto"
-version = "0.21.0"
+version = "0.21.1"
 license = "Apache-2.0"
 authors = [ "IOTA Stiftung" ]
 edition = "2021"
@@ -94,7 +94,12 @@ age = [
   "zeroize"
 ]
 secp256k1 = [ "dep:k256", "k256?/ecdsa", "dep:tiny-keccak", "zeroize" ]
-serde = [ "dep:serde", "ed25519-zebra?/serde", "k256?/serde", "k256?/pem" ]
+serde = [
+  "dep:serde",
+  "ed25519-zebra?/serde",
+  "k256?/serde",
+  "k256?/pem"
+]
 
 [dependencies]
 aead = { version = "0.5", optional = true, default-features = false }