diff --git a/public/e2ee/wasm-pkg/orange_mls_worker.d.ts b/public/e2ee/wasm-pkg/orange_mls_worker.d.ts
index 894a0b42..e73a8ddb 100644
--- a/public/e2ee/wasm-pkg/orange_mls_worker.d.ts
+++ b/public/e2ee/wasm-pkg/orange_mls_worker.d.ts
@@ -26,8 +26,8 @@ declare interface InitOutput {
   readonly __wbindgen_malloc: (a: number, b: number) => number;
   readonly __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
   readonly __wbindgen_export_6: WebAssembly.Table;
-  readonly closure399_externref_shim: (a: number, b: number, c: any) => void;
-  readonly closure469_externref_shim: (a: number, b: number, c: any, d: any) => void;
+  readonly closure450_externref_shim: (a: number, b: number, c: any) => void;
+  readonly closure580_externref_shim: (a: number, b: number, c: any, d: any) => void;
   readonly __wbindgen_start: () => void;
 }
 
diff --git a/public/e2ee/wasm-pkg/orange_mls_worker.js b/public/e2ee/wasm-pkg/orange_mls_worker.js
index 9ca51304..5d795bec 100644
--- a/public/e2ee/wasm-pkg/orange_mls_worker.js
+++ b/public/e2ee/wasm-pkg/orange_mls_worker.js
@@ -223,11 +223,11 @@ let wasm_bindgen;
     };
 
     function __wbg_adapter_30(arg0, arg1, arg2) {
-        wasm.closure399_externref_shim(arg0, arg1, arg2);
+        wasm.closure450_externref_shim(arg0, arg1, arg2);
     }
 
     function __wbg_adapter_113(arg0, arg1, arg2, arg3) {
-        wasm.closure469_externref_shim(arg0, arg1, arg2, arg3);
+        wasm.closure580_externref_shim(arg0, arg1, arg2, arg3);
     }
 
     async function __wbg_load(module, imports) {
@@ -555,8 +555,8 @@ let wasm_bindgen;
             const ret = false;
             return ret;
         };
-        imports.wbg.__wbindgen_closure_wrapper1635 = function(arg0, arg1, arg2) {
-            const ret = makeMutClosure(arg0, arg1, 400, __wbg_adapter_30);
+        imports.wbg.__wbindgen_closure_wrapper1795 = function(arg0, arg1, arg2) {
+            const ret = makeMutClosure(arg0, arg1, 451, __wbg_adapter_30);
             return ret;
         };
         imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
diff --git a/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm b/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm
index 7e332bfe..0246085a 100644
Binary files a/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm and b/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm differ
diff --git a/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm.d.ts b/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm.d.ts
index e0f21f14..34df29cc 100644
--- a/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm.d.ts
+++ b/public/e2ee/wasm-pkg/orange_mls_worker_bg.wasm.d.ts
@@ -10,6 +10,6 @@ export const __wbindgen_free: (a: number, b: number, c: number) => void;
 export const __wbindgen_malloc: (a: number, b: number) => number;
 export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;
 export const __wbindgen_export_6: WebAssembly.Table;
-export const closure399_externref_shim: (a: number, b: number, c: any) => void;
-export const closure469_externref_shim: (a: number, b: number, c: any, d: any) => void;
+export const closure450_externref_shim: (a: number, b: number, c: any) => void;
+export const closure580_externref_shim: (a: number, b: number, c: any, d: any) => void;
 export const __wbindgen_start: () => void;
diff --git a/rust-mls-worker/Cargo.lock b/rust-mls-worker/Cargo.lock
index 2dd1ddf2..70a6d76d 100644
--- a/rust-mls-worker/Cargo.lock
+++ b/rust-mls-worker/Cargo.lock
@@ -1,6 +1,6 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
 
 [[package]]
 name = "aead"
@@ -149,6 +149,17 @@ version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2459377285ad874054d797f3ccebf984978aa39129f6eafde5cdc8315b612f8"
 
+[[package]]
+name = "core-models"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94950e87ea550d6d68f1993f3e7bebc8cb7235157bff84337d46195c3aa0b3f0"
+dependencies = [
+ "hax-lib",
+ "pastey",
+ "rand 0.9.2",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.14"
@@ -190,7 +201,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0dc92fb57ca44df6db8059111ab3af99a63d5d0f8375d9972e319a379c6bab76"
 dependencies = [
  "generic-array",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
  "zeroize",
 ]
@@ -202,7 +213,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
- "rand_core",
+ "rand_core 0.6.4",
  "typenum",
 ]
 
@@ -297,7 +308,7 @@ checksum = "4a3daa8e81a3963a60642bcc1f90a670680bd4a77535faa384e9d1c79d620871"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
- "rand_core",
+ "rand_core 0.6.4",
  "serde",
  "sha2",
  "subtle",
@@ -325,7 +336,7 @@ dependencies = [
  "hkdf",
  "pem-rfc7468",
  "pkcs8",
- "rand_core",
+ "rand_core 0.6.4",
  "sec1",
  "subtle",
  "zeroize",
@@ -337,7 +348,7 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ded41244b729663b1e574f1b4fb731469f69f79c17667b5d776b16cda0479449"
 dependencies = [
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
@@ -475,6 +486,18 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "899def5c37c4fd7b2664648c28120ecec138e4d395b459e5ca34f9cce2dd77fd"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+]
+
 [[package]]
 name = "ghash"
 version = "0.5.1"
@@ -492,10 +515,47 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0f9ef7462f7c099f518d754361858f86d8a07af53ba9af0fe635bbccb151a63"
 dependencies = [
  "ff",
- "rand_core",
+ "rand_core 0.6.4",
  "subtle",
 ]
 
+[[package]]
+name = "hax-lib"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74d9ba66d1739c68e0219b2b2238b5c4145f491ebf181b9c6ab561a19352ae86"
+dependencies = [
+ "hax-lib-macros",
+ "num-bigint",
+ "num-traits",
+]
+
+[[package]]
+name = "hax-lib-macros"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24ba777a231a58d1bce1d68313fa6b6afcc7966adef23d60f45b8a2b9b688bf1"
+dependencies = [
+ "hax-lib-macros-types",
+ "proc-macro-error2",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "hax-lib-macros-types"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "867e19177d7425140b417cd27c2e05320e727ee682e98368f88b7194e80ad515"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde",
+ "serde_json",
+ "uuid",
+]
+
 [[package]]
 name = "hkdf"
 version = "0.12.4"
@@ -516,12 +576,16 @@ dependencies = [
 
 [[package]]
 name = "hpke-rs"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e11bd4ee27b79fa1820e72ef8489cc729c87299ec3f7f52b8fc8dcb87cb2d485"
+checksum = "36874953dfe0223fd877a77b0eefcd84f8da36161b446c6fcb47b8311fa0251a"
 dependencies = [
  "hpke-rs-crypto",
+ "hpke-rs-libcrux",
+ "hpke-rs-rust-crypto",
+ "libcrux-sha3",
  "log",
+ "rand_core 0.9.3",
  "serde",
  "tls_codec",
  "zeroize",
@@ -529,27 +593,45 @@ dependencies = [
 
 [[package]]
 name = "hpke-rs-crypto"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c3f1ae0a26c18d6469a70db1217136056261c4a244b09a755bc60bd4e055b67"
+checksum = "d51ffd304e06803f90f2e56a24a6910f19b8516f842d7b72a436c51026279876"
 dependencies = [
- "rand_core",
+ "rand_core 0.9.3",
+]
+
+[[package]]
+name = "hpke-rs-libcrux"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb9f3bdfd7bc6a45f985b47cce25c5409312af06c2dec07a2af2cca5c89579ae"
+dependencies = [
+ "hpke-rs-crypto",
+ "libcrux-chacha20poly1305",
+ "libcrux-ecdh",
+ "libcrux-hkdf",
+ "libcrux-kem",
+ "rand 0.9.2",
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
 name = "hpke-rs-rust-crypto"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a08d4500baf0aced746723d3515d08212bdb9d941df6d1aca3d46d1619b2a1cf"
+checksum = "ff7dc0df494528a0b90005bb511c117453c6a89cd8819f6cf311d0f4446dcf45"
 dependencies = [
  "aes-gcm",
  "chacha20poly1305",
  "hkdf",
  "hpke-rs-crypto",
+ "k256",
  "p256",
  "p384",
- "rand_chacha",
- "rand_core",
+ "rand 0.8.5",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
  "sha2",
  "x25519-dalek",
 ]
@@ -591,12 +673,201 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "k256"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6e3919bbaa2945715f0bb6d3934a173d1e9a59ac23767fbaaef277265a7411b"
+dependencies = [
+ "cfg-if",
+ "elliptic-curve",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.159"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "561d97a539a36e26a9a5fad1ea11a3039a67714694aaa379433e580854bc3dc5"
 
+[[package]]
+name = "libcrux-chacha20poly1305"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43b318f5f2b32dfbfd27d1c5a3201d27b2ac7a4b4a4bf15ea754a385e6c294c5"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-macros",
+ "libcrux-poly1305",
+]
+
+[[package]]
+name = "libcrux-curve25519"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5514645ba1ee6c55dd71d62a50cc37ad8aab3f956826001aa8dad17482655c46"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-macros",
+]
+
+[[package]]
+name = "libcrux-ecdh"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c4fa67cad871d7be9175141b23a174b77536b039945c91b6a5a6d697acd6371"
+dependencies = [
+ "libcrux-curve25519",
+ "libcrux-p256",
+ "rand 0.9.2",
+]
+
+[[package]]
+name = "libcrux-hacl-rs"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1134af11da3f24ae8d1a7e2b60ee871c9e3ffd3d8857deaeebab8088b005addd"
+dependencies = [
+ "libcrux-macros",
+]
+
+[[package]]
+name = "libcrux-hkdf"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed7a54a1b453200e8a18205ffbecbb0fee0cce9ec8d0bd635898b7eb2879ac06"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-hmac",
+]
+
+[[package]]
+name = "libcrux-hmac"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "743cdf6149a46b2cd5f62bea237a7c57011e85055486fc031513e1261cc6692e"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-macros",
+ "libcrux-sha2",
+]
+
+[[package]]
+name = "libcrux-intrinsics"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d3b41dcbc21a5fb7efbbb5af7405b2e79c4bfe443924e90b13afc0080318d31"
+dependencies = [
+ "core-models",
+ "hax-lib",
+]
+
+[[package]]
+name = "libcrux-kem"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eefe0e9579f058b99995cbaf918de3cbab90c4d2dde544fe75247fb027ff5af9"
+dependencies = [
+ "libcrux-ecdh",
+ "libcrux-ml-kem",
+ "libcrux-sha3",
+ "libcrux-traits",
+ "rand 0.9.2",
+]
+
+[[package]]
+name = "libcrux-macros"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ffd6aa2dcd5be681662001b81d493f1569c6d49a32361f470b0c955465cd0338"
+dependencies = [
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "libcrux-ml-kem"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5d368d3e8d6a74e277178d54921eca112a1e6b7837d7d8bc555091acb5d817f5"
+dependencies = [
+ "hax-lib",
+ "libcrux-intrinsics",
+ "libcrux-platform",
+ "libcrux-secrets",
+ "libcrux-sha3",
+ "rand 0.9.2",
+]
+
+[[package]]
+name = "libcrux-p256"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b00d21690ebcc7ce1f242e6c4bdadfd8529f9cf2d7b961c0344c9bcb2c82f78f"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-macros",
+ "libcrux-sha2",
+]
+
+[[package]]
+name = "libcrux-platform"
+version = "0.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "db82d058aa76ea315a3b2092f69dfbd67ddb0e462038a206e1dcd73f058c0778"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "libcrux-poly1305"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1a2901c5a92bb236cacd3d16bd6654b7f3471eb417bedab85f6225060cd4a03"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-macros",
+]
+
+[[package]]
+name = "libcrux-secrets"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "332737e629fe6ba7547f5c0f90559eac865d5dbecf98138ffae8f16ab8cbe33f"
+dependencies = [
+ "hax-lib",
+]
+
+[[package]]
+name = "libcrux-sha2"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91eed3bb0ae073f46ae03c83318013fba6e3302bf3292639417b68e908fec4bf"
+dependencies = [
+ "libcrux-hacl-rs",
+ "libcrux-macros",
+ "libcrux-traits",
+]
+
+[[package]]
+name = "libcrux-sha3"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "29d95de4257eafdfaf3bffecadb615219b0ca920c553722b3646d32dde76c797"
+dependencies = [
+ "hax-lib",
+ "libcrux-intrinsics",
+ "libcrux-platform",
+]
+
+[[package]]
+name = "libcrux-traits"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0cdbf9591a39f04d6da6b9bad51ac58378604a80708c2173dadf92029891b9e2"
+dependencies = [
+ "rand 0.9.2",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.12"
@@ -619,6 +890,34 @@ version = "2.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
 
+[[package]]
+name = "num-bigint"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
+dependencies = [
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.46"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
+dependencies = [
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "once_cell"
 version = "1.20.2"
@@ -633,52 +932,54 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "openmls"
-version = "0.6.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f1295188c6665fb9e96466180ac0a919ef52b5861cf7e86523823661348a597"
+checksum = "7af47d535cef7b75806a2b5fcf81ba8e68179f5923aca9bc6a4d8d563e4f8757"
 dependencies = [
  "fluvio-wasm-timer",
- "getrandom",
+ "getrandom 0.2.15",
  "log",
  "openmls_traits",
  "rayon",
  "serde",
- "thiserror 1.0.64",
+ "serde_bytes",
+ "thiserror",
  "tls_codec",
+ "zeroize",
 ]
 
 [[package]]
 name = "openmls_basic_credential"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "465874276a4e2a3e391b25a464059a224c70c5c77ca1e3f595032bb310ab8984"
+checksum = "e3e6454b2b1b6749fc2f142d7f74eb387f7793be88187ed372e9f5f4cf10c34c"
 dependencies = [
  "ed25519-dalek",
  "openmls_traits",
  "p256",
- "rand",
+ "rand 0.8.5",
  "serde",
  "tls_codec",
 ]
 
 [[package]]
 name = "openmls_memory_storage"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea9cc9eb04ed97262fa96382d7dbf0adfebd5ecde7dbafc7070f9231dd9cf08b"
+checksum = "9e7b071ea5573a97efaa72b7c53e81cebc644b62ef0fe992bad685cc0f7dd4ea"
 dependencies = [
  "log",
  "openmls_traits",
  "serde",
  "serde_json",
- "thiserror 1.0.64",
+ "thiserror",
 ]
 
 [[package]]
 name = "openmls_rust_crypto"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1038331eabb5e63f276c9f866c081167c3ec1448ece0bf2bd535d1ecb5083d39"
+checksum = "3faef09e17a15c8065b9ec6b1e150c19dcb0c4cb810a636b6f010a94a189678e"
 dependencies = [
  "aes-gcm",
  "chacha20poly1305",
@@ -691,19 +992,19 @@ dependencies = [
  "openmls_memory_storage",
  "openmls_traits",
  "p256",
- "rand",
- "rand_chacha",
+ "rand 0.8.5",
+ "rand_chacha 0.3.1",
  "serde",
  "sha2",
- "thiserror 1.0.64",
+ "thiserror",
  "tls_codec",
 ]
 
 [[package]]
 name = "openmls_traits"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "443afa05406adc75fbfa0c3e04db93c5647b763861a474ae1aa8a99c362b80f8"
+checksum = "e21d8877bacdbc407060df29bf59b145bb886a8fa0099b87ae8067a34b902a13"
 dependencies = [
  "serde",
  "tls_codec",
@@ -719,9 +1020,9 @@ dependencies = [
  "openmls",
  "openmls_basic_credential",
  "openmls_rust_crypto",
- "rand",
+ "rand 0.8.5",
  "sha2",
- "thiserror 2.0.3",
+ "thiserror",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
@@ -774,6 +1075,12 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "pastey"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "35fb2e5f958ec131621fdd531e9fc186ed768cbe395337403ae56c17a74c68ec"
+
 [[package]]
 name = "pem-rfc7468"
 version = "0.7.0"
@@ -846,6 +1153,28 @@ dependencies = [
  "elliptic-curve",
 ]
 
+[[package]]
+name = "proc-macro-error-attr2"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96de42df36bb9bba5542fe9f1a054b8cc87e172759a1868aa05c1f3acc89dfc5"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
+[[package]]
+name = "proc-macro-error2"
+version = "2.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11ec05c52be0a07b08061f7dd003e7d7092e0472bc731b4af7bb1ef876109802"
+dependencies = [
+ "proc-macro-error-attr2",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.92"
@@ -864,6 +1193,12 @@ dependencies = [
  "proc-macro2",
 ]
 
+[[package]]
+name = "r-efi"
+version = "5.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
+
 [[package]]
 name = "rand"
 version = "0.8.5"
@@ -871,8 +1206,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
- "rand_chacha",
- "rand_core",
+ "rand_chacha 0.3.1",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
+dependencies = [
+ "rand_chacha 0.9.0",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -882,7 +1227,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core",
+ "rand_core 0.6.4",
+]
+
+[[package]]
+name = "rand_chacha"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
+dependencies = [
+ "ppv-lite86",
+ "rand_core 0.9.3",
 ]
 
 [[package]]
@@ -891,7 +1246,16 @@ version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
- "getrandom",
+ "getrandom 0.2.15",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.9.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "99d9a13982dcf210057a8a78572b2217b667c3beacbf3a0d8b454f6f82837d38"
+dependencies = [
+ "getrandom 0.3.4",
 ]
 
 [[package]]
@@ -976,18 +1340,38 @@ checksum = "61697e0a1c7e512e84a621326239844a24d8207b4669b41bc18b32ea5cbf988b"
 
 [[package]]
 name = "serde"
-version = "1.0.210"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8e3592472072e6e22e0a54d5904d9febf8508f65fb8552499a1abc7d1078c3a"
+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 = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.210"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "243902eda00fad750862fc144cea25caca5e20d615af0a81bee94ca738f1df1f"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1024,7 +1408,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77549399552de45a898a580c1b41d445bf730df867cc44e6c0233bbc4b8329de"
 dependencies = [
  "digest",
- "rand_core",
+ "rand_core 0.6.4",
 ]
 
 [[package]]
@@ -1069,33 +1453,13 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.64"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d50af8abc119fb8bb6dbabcfa89656f46f84aa0ac7688088608076ad2b459a84"
-dependencies = [
- "thiserror-impl 1.0.64",
-]
-
 [[package]]
 name = "thiserror"
 version = "2.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c006c85c7651b3cf2ada4584faa36773bd07bac24acfb39f3c431b36d7e667aa"
 dependencies = [
- "thiserror-impl 2.0.3",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.64"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08904e7672f5eb876eaaf87e0ce17857500934f4981c4a0ab2b4aa98baac7fc3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "thiserror-impl",
 ]
 
 [[package]]
@@ -1111,9 +1475,9 @@ dependencies = [
 
 [[package]]
 name = "tls_codec"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5e78c9c330f8c85b2bae7c8368f2739157db9991235123aa1b15ef9502bfb6a"
+checksum = "0de2e01245e2bb89d6f05801c564fa27624dbd7b1846859876c7dad82e90bf6b"
 dependencies = [
  "serde",
  "tls_codec_derive",
@@ -1122,9 +1486,9 @@ dependencies = [
 
 [[package]]
 name = "tls_codec_derive"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d9ef545650e79f30233c0003bcc2504d7efac6dad25fca40744de773fe2049c"
+checksum = "2d2e76690929402faae40aebdda620a2c0e25dd6d3b9afe48867dfd95991f4bd"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1153,6 +1517,15 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "uuid"
+version = "1.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "458f7a779bf54acc9f347480ac654f68407d3aab21269a6e3c9f922acd9e2da9"
+dependencies = [
+ "getrandom 0.3.4",
+]
+
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -1165,6 +1538,15 @@ version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
+[[package]]
+name = "wasip2"
+version = "1.0.1+wasi-0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0562428422c63773dad2c345a1882263bbf4d65cf3f42e90921f787ef5ad58e7"
+dependencies = [
+ "wit-bindgen",
+]
+
 [[package]]
 name = "wasm-bindgen"
 version = "0.2.99"
@@ -1264,6 +1646,12 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "wit-bindgen"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
+
 [[package]]
 name = "x25519-dalek"
 version = "2.0.1"
@@ -1271,7 +1659,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7e468321c81fb07fa7f4c636c3972b9100f0346e5b6a9f2bd0603a52f7ed277"
 dependencies = [
  "curve25519-dalek",
- "rand_core",
+ "rand_core 0.6.4",
  "serde",
  "zeroize",
 ]
diff --git a/rust-mls-worker/Cargo.toml b/rust-mls-worker/Cargo.toml
index 303fb822..ba6b84ff 100644
--- a/rust-mls-worker/Cargo.toml
+++ b/rust-mls-worker/Cargo.toml
@@ -10,9 +10,9 @@ crate-type = ["cdylib"]
 console_error_panic_hook = "0.1.6"
 console_log = "1.0.0"
 log = "0.4.22"
-openmls = { version = "0.6.0", features = ["js"] }
-openmls_basic_credential = "0.3.0"
-openmls_rust_crypto = "0.3.0"
+openmls = { version = "0.7.1", features = ["js"] }
+openmls_basic_credential = "0.4.1"
+openmls_rust_crypto = "0.4.1"
 sha2 = "0.10.8"
 thiserror = "2.0.3"
 wasm-bindgen = "0.2"
diff --git a/rust-mls-worker/src/mls_ops.rs b/rust-mls-worker/src/mls_ops.rs
index 211aead1..fdda2fd0 100644
--- a/rust-mls-worker/src/mls_ops.rs
+++ b/rust-mls-worker/src/mls_ops.rs
@@ -38,7 +38,9 @@ pub enum DecryptAppMsgError {
     Mls(#[from] openmls::prelude::Error),
 
     #[error(transparent)]
-    Processing(#[from] openmls::prelude::ProcessMessageError),
+    Processing(
+        #[from] openmls::prelude::ProcessMessageError<openmls_rust_crypto::MemoryStorageError>,
+    ),
 
     #[error("Not in a group, so decryption does not make sense")]
     NoGroup,