diff --git a/Cargo.lock b/Cargo.lock
index e672d18..2694031 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1113,9 +1113,9 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openmls"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d63c0968d4ec14a79259ad7287b03da934ffecd7cddacf9054224cafe8a9aa7"
+checksum = "7af47d535cef7b75806a2b5fcf81ba8e68179f5923aca9bc6a4d8d563e4f8757"
 dependencies = [
  "fluvio-wasm-timer",
  "getrandom 0.2.16",
@@ -1123,15 +1123,17 @@ dependencies = [
  "openmls_traits",
  "rayon",
  "serde",
+ "serde_bytes",
  "thiserror",
  "tls_codec",
+ "zeroize",
 ]
 
 [[package]]
 name = "openmls_basic_credential"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef01a72cab1d27a047d47ef3f084f049c2b25a081cd996d3a8904ed16fd523f8"
+checksum = "e3e6454b2b1b6749fc2f142d7f74eb387f7793be88187ed372e9f5f4cf10c34c"
 dependencies = [
  "ed25519-dalek",
  "openmls_traits",
@@ -1143,9 +1145,9 @@ dependencies = [
 
 [[package]]
 name = "openmls_memory_storage"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29ef51988f762610917d071606ec641c6e8007262589634f7b8e77b35ded7423"
+checksum = "9e7b071ea5573a97efaa72b7c53e81cebc644b62ef0fe992bad685cc0f7dd4ea"
 dependencies = [
  "log",
  "openmls_traits",
@@ -1156,9 +1158,9 @@ dependencies = [
 
 [[package]]
 name = "openmls_rust_crypto"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08aebf5bf9ed2ab567b253e6d1b93a5c11e0ce456fe2f8761d80b88a0a90ae0"
+checksum = "3faef09e17a15c8065b9ec6b1e150c19dcb0c4cb810a636b6f010a94a189678e"
 dependencies = [
  "aes-gcm",
  "chacha20poly1305",
@@ -1181,9 +1183,9 @@ dependencies = [
 
 [[package]]
 name = "openmls_traits"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0b50a33e77f6bb34610f7b10548518abe22858c194d3c994670931510530a74"
+checksum = "e21d8877bacdbc407060df29bf59b145bb886a8fa0099b87ae8067a34b902a13"
 dependencies = [
  "serde",
  "tls_codec",
@@ -1611,18 +1613,38 @@ checksum = "56e6fa9c48d24d85fb3de5ad847117517440f6beceb7798af16b4a87d616b8d0"
 
 [[package]]
 name = "serde"
-version = "1.0.219"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_bytes"
+version = "0.11.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5d440709e79d88e51ac01c4b72fc6cb7314017bb7da9eeff678aa94c10e3ea8"
+dependencies = [
+ "serde",
+ "serde_core",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.219"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/davey/Cargo.toml b/davey/Cargo.toml
index c841903..6030f75 100644
--- a/davey/Cargo.toml
+++ b/davey/Cargo.toml
@@ -10,9 +10,9 @@ keywords = ["MLS", "Encryption", "E2EE", "Discord", "DAVE"]
 edition = "2024"
 
 [dependencies]
-openmls = { features = ["js"], version = "0.7.0" }
-openmls_basic_credential = "0.4.0"
-openmls_rust_crypto = "0.4.0"
+openmls = { features = ["js"], version = "=0.7.1" }
+openmls_basic_credential = "=0.4.1"
+openmls_rust_crypto = "=0.4.1"
 tracing = "0.1.41"
 thiserror = "2.0.12"
 # Crypto utils
@@ -40,4 +40,4 @@ pyo3 = { version = "0.25.0", optional = true }
 [features]
 default = []
 napi = ["dep:napi", "dep:napi-derive"]
-pyo3 = ["dep:pyo3"]
\ No newline at end of file
+pyo3 = ["dep:pyo3"]
diff --git a/davey/src/errors.rs b/davey/src/errors.rs
index 07ea50e..3b634eb 100644
--- a/davey/src/errors.rs
+++ b/davey/src/errors.rs
@@ -108,7 +108,7 @@ pub enum ProcessProposalsError {
   #[error("message was not a private or public message: {0}")]
   MessageNotPrivateOrPublic(#[from] ProtocolMessageError),
   #[error("failed to process message: {0}")]
-  MessageProcessingFailed(#[from] ProcessMessageError),
+  MessageProcessingFailed(#[from] ProcessMessageError<MemoryStorageError>),
   #[error("failed to convert credential content to user id: {0}")]
   CredentialContentConvertFailed(TryFromSliceError),
   #[error("unexpected user in add proposal: {0}")]
@@ -166,7 +166,7 @@ pub enum ProcessCommitError {
   #[error("failed to merge staged commit: {0}")]
   MergingStagedCommitFailed(#[from] MergeCommitError<MemoryStorageError>),
   #[error("failed to merge staged commit: {0}")]
-  ProcessingMessageFailed(#[from] ProcessMessageError),
+  ProcessingMessageFailed(#[from] ProcessMessageError<MemoryStorageError>),
   #[error("processed message was not a staged commit")]
   ProcessedMessageNotStagedCommit,
   #[error("failed to update ratchets: {0}")]