diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index d5a1e4f3..4ee32c0a 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -51,7 +51,6 @@ jobs:
           name: libtw2-${{ matrix.os }}
 
   build-uniffi:
-    if: false
     name: Build uniffi
     runs-on: ubuntu-latest
     steps:
diff --git a/uniffi/Cargo.lock b/uniffi/Cargo.lock
index c3e6c070..83fff034 100644
--- a/uniffi/Cargo.lock
+++ b/uniffi/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 = "anyhow"
@@ -16,43 +16,44 @@ checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b"
 
 [[package]]
 name = "askama"
-version = "0.12.1"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b79091df18a97caea757e28cd2d5fda49c6cd4bd01ddffd7ff01ace0c0ad2c28"
+checksum = "f75363874b771be265f4ffe307ca705ef6f3baa19011c149da8674a87f1b75c4"
 dependencies = [
  "askama_derive",
- "askama_escape",
+ "itoa",
+ "percent-encoding",
+ "serde",
+ "serde_json",
 ]
 
 [[package]]
 name = "askama_derive"
-version = "0.12.5"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "19fe8d6cb13c4714962c072ea496f3392015f0989b1a2847bb4b2d9effd71d83"
+checksum = "129397200fe83088e8a68407a8e2b1f826cf0086b21ccdb866a722c8bcd3a94f"
 dependencies = [
  "askama_parser",
  "basic-toml",
- "mime",
- "mime_guess",
+ "memchr",
  "proc-macro2",
  "quote",
+ "rustc-hash",
  "serde",
+ "serde_derive",
  "syn",
 ]
 
-[[package]]
-name = "askama_escape"
-version = "0.10.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "619743e34b5ba4e9703bba34deac3427c72507c7159f5fd030aea8cac0cfe341"
-
 [[package]]
 name = "askama_parser"
-version = "0.2.1"
+version = "0.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acb1161c6b64d1c3d83108213c2a2533a342ac225aabd0bda218278c2ddb00c0"
+checksum = "d6ab5630b3d5eaf232620167977f95eb51f3432fc76852328774afbd242d4358"
 dependencies = [
- "nom",
+ "memchr",
+ "serde",
+ "serde_derive",
+ "winnow 0.7.15",
 ]
 
 [[package]]
@@ -71,23 +72,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "bincode"
-version = "1.3.3"
+name = "bitflags"
+version = "2.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "buffer"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aab7228d32b5d95be40adeba1d9461c8547b5dadf5f9cbfba09b6d578991df28"
-dependencies = [
- "arrayvec",
- "mac",
-]
+checksum = "b4388bee8683e3d04af747c73422af53102d2bd24d9eadb6cbc100baef4b43f8"
 
 [[package]]
 name = "byteorder"
@@ -121,9 +109,9 @@ dependencies = [
 
 [[package]]
 name = "cargo_metadata"
-version = "0.15.4"
+version = "0.19.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eee4243f1f26fc7a42710e7439c149e2b10b05472f88090acce52632f231a73a"
+checksum = "dd5eb614ed4c27c5d706420e4320fbe3216ab31fa1c33cd8246ac36dae4479ba"
 dependencies = [
  "camino",
  "cargo-platform",
@@ -133,6 +121,40 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "cfg-if"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9330f8b2ff13f34540b44e946ef35111825727b38d33286ef986142615121801"
+
+[[package]]
+name = "equivalent"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "877a4ace8713b0bcf2a4e7eec82529c029f1d0619886d18145fea96c3ffe5c0f"
+
+[[package]]
+name = "errno"
+version = "0.3.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
+dependencies = [
+ "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "fastrand"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f1f227452a390804cdb637b74a86990f2a7d7ba4b7d5693aac9b4dd6defd8d6"
+
+[[package]]
+name = "foldhash"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
+
 [[package]]
 name = "fs-err"
 version = "2.11.0"
@@ -142,6 +164,19 @@ dependencies = [
  "autocfg",
 ]
 
+[[package]]
+name = "getrandom"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de51e6874e94e7bf76d726fc5d13ba782deca734ff60d5bb2fb2607c7406555"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "r-efi",
+ "wasip2",
+ "wasip3",
+]
+
 [[package]]
 name = "glob"
 version = "0.3.1"
@@ -159,11 +194,44 @@ dependencies = [
  "scroll",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.15.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
+dependencies = [
+ "foldhash",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.17.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
+
 [[package]]
 name = "heck"
-version = "0.4.1"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
+
+[[package]]
+name = "id-arena"
+version = "2.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d3067d79b975e8844ca9eb072e16b31c3c1c36928edf9c6789548c524d0d954"
+
+[[package]]
+name = "indexmap"
+version = "2.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95505c38b4572b2d910cecb0281560f54b440a19336cbbcb27bf6ce6adc6f5a8"
+checksum = "d466e9454f08e4a911e14806c24e16fba1b4c121d1ea474396f396069cf949d9"
+dependencies = [
+ "equivalent",
+ "hashbrown 0.17.1",
+ "serde",
+ "serde_core",
+]
 
 [[package]]
 name = "itertools"
@@ -177,6 +245,26 @@ version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
 
+[[package]]
+name = "leb128fmt"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09edd9e8b54e49e587e4f6295a7d29c3ea94d469cb40ab8ca70b288248a81db2"
+
+[[package]]
+name = "libc"
+version = "0.2.186"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "68ab91017fe16c622486840e4c83c9a37afeff978bd239b5293d61ece587de66"
+
+[[package]]
+name = "libtw2-buffer"
+version = "0.0.1"
+dependencies = [
+ "arrayvec",
+ "mac",
+]
+
 [[package]]
 name = "libtw2-common"
 version = "0.0.1"
@@ -190,8 +278,8 @@ name = "libtw2-huffman"
 version = "0.0.1"
 dependencies = [
  "arrayvec",
- "buffer",
  "itertools",
+ "libtw2-buffer",
  "libtw2-common",
 ]
 
@@ -203,6 +291,12 @@ dependencies = [
  "uniffi",
 ]
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a66949e030da00e8c7d4434b251670a91556f4144941d37452769c25d58a53"
+
 [[package]]
 name = "log"
 version = "0.4.20"
@@ -221,22 +315,6 @@ version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6c8640c5d730cb13ebd907d8d04b52f55ac9a2eec55b440c8892f40d56c76c1d"
 
-[[package]]
-name = "mime"
-version = "0.3.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6877bb514081ee2a7ff5ef9de3281f14a4dd4bceac4c09388074a6b5df8a139a"
-
-[[package]]
-name = "mime_guess"
-version = "2.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4192263c238a5f0d0c6bfd21f336a313a4ce1c450542449ca191bb657b4642ef"
-dependencies = [
- "mime",
- "unicase",
-]
-
 [[package]]
 name = "minimal-lexical"
 version = "0.2.1"
@@ -260,16 +338,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
-name = "oneshot-uniffi"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6c548d5c78976f6955d72d0ced18c48ca07030f7a1d4024529fedd7c1c01b29c"
-
-[[package]]
-name = "paste"
-version = "1.0.14"
+name = "percent-encoding"
+version = "2.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de3145af08024dea9fa9914f381a17b8fc6034dfb00f3a84013f7ff43f29ed4c"
+checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 
 [[package]]
 name = "plain"
@@ -277,11 +349,21 @@ version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4596b6d070b27117e987119b4dac604f3c58cfb0b191112e24771b2faeac1a6"
 
+[[package]]
+name = "prettyplease"
+version = "0.2.37"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+dependencies = [
+ "proc-macro2",
+ "syn",
+]
+
 [[package]]
 name = "proc-macro2"
-version = "1.0.78"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2422ad645d89c99f8f3e6b88a9fdeca7fabeac836b1002371c4367c8f984aae"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
@@ -296,10 +378,29 @@ dependencies = [
 ]
 
 [[package]]
-name = "ryu"
-version = "1.0.18"
+name = "r-efi"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8dcc9c7d52a811697d2151c701e0d08956f92b0e24136cf4cf27b57a6a0d9bf"
+
+[[package]]
+name = "rustc-hash"
+version = "2.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3cb5ba0dc43242ce17de99c180e96db90b235b8a9fdc9543c96d2209116bd9f"
+checksum = "94300abf3f1ae2e2b8ffb7b58043de3d399c73fa6f4b73826402a5c457614dbe"
+
+[[package]]
+name = "rustix"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6fe4565b9518b83ef4f91bb47ce29620ca828bd32cb7e408f0062e9930ba190"
+dependencies = [
+ "bitflags",
+ "errno",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
 
 [[package]]
 name = "scroll"
@@ -332,18 +433,28 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.197"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
+dependencies = [
+ "serde_core",
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_core"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.197"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -352,20 +463,31 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.117"
+version = "1.0.150"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "455182ea6142b14f93f4bc5320a2b31c1f266b66a4a5c858b013302a5d8cbfc3"
+checksum = "e8014e44b4736ed0538adeecded0fce2a272f22dc9578a7eb6b2d9993c74cfb9"
 dependencies = [
  "itoa",
- "ryu",
+ "memchr",
  "serde",
+ "serde_core",
+ "zmij",
+]
+
+[[package]]
+name = "serde_spanned"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6662b5879511e06e8999a8a235d848113e942c9124f211511b16466ee2995f26"
+dependencies = [
+ "serde_core",
 ]
 
 [[package]]
 name = "siphasher"
-version = "0.3.11"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+checksum = "8ee5873ec9cce0195efcb7a4e9507a04cd49aec9c83d0389df45b1ef7ba2e649"
 
 [[package]]
 name = "smawk"
@@ -381,15 +503,28 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "syn"
-version = "2.0.51"
+version = "2.0.117"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ab617d94515e94ae53b8406c628598680aa0c9587474ecbe58188f7b345d66c"
+checksum = "e665b8803e7b1d2a727f4023456bbbbe74da67099c585258af0ad9c5013b9b99"
 dependencies = [
  "proc-macro2",
  "quote",
  "unicode-ident",
 ]
 
+[[package]]
+name = "tempfile"
+version = "3.27.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32497e9a4c7b38532efcdebeef879707aa9f794296a4f0244f6f69e9bc8574bd"
+dependencies = [
+ "fastrand",
+ "getrandom",
+ "once_cell",
+ "rustix",
+ "windows-sys",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.16.1"
@@ -397,24 +532,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "23d434d3f8967a09480fb04132ebe0a3e088c173e6d0ee7897abbdf4eab0f8b9"
 dependencies = [
  "smawk",
- "unicode-linebreak",
- "unicode-width",
 ]
 
 [[package]]
 name = "thiserror"
-version = "1.0.60"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "579e9083ca58dd9dcf91a9923bb9054071b9ebbd800b342194c9feb0ee89fc18"
+checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.60"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2470041c06ec3ac1ab38d0356a6119054dedaea53e12fbefc0de730a1c08524"
+checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -423,57 +556,75 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.11"
+version = "0.9.12+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4f7f0dd8d50a853a531c426359045b1998f04219d88799810762cd4ad314234"
+checksum = "cf92845e79fc2e2def6a5d828f0801e29a2f8acc037becc5ab08595c7d5e9863"
 dependencies = [
- "serde",
+ "indexmap",
+ "serde_core",
+ "serde_spanned",
+ "toml_datetime",
+ "toml_parser",
+ "toml_writer",
+ "winnow 0.7.15",
 ]
 
 [[package]]
-name = "unicase"
-version = "2.7.0"
+name = "toml_datetime"
+version = "0.7.5+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d2d4dafb69621809a81864c9c1b864479e1235c0dd4e199924b9742439ed89"
+checksum = "92e1cfed4a3038bc5a127e35a2d360f145e1f4b971b551a2ba5fd7aedf7e1347"
 dependencies = [
- "version_check",
+ "serde_core",
 ]
 
 [[package]]
-name = "unicode-ident"
-version = "1.0.12"
+name = "toml_parser"
+version = "1.1.2+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+checksum = "a2abe9b86193656635d2411dc43050282ca48aa31c2451210f4202550afb7526"
+dependencies = [
+ "winnow 1.0.3",
+]
 
 [[package]]
-name = "unicode-linebreak"
-version = "0.1.5"
+name = "toml_writer"
+version = "1.1.1+spec-1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b09c83c3c29d37506a3e260c08c03743a6bb66a9cd432c6934ab501a190571f"
+checksum = "756daf9b1013ebe47a8776667b466417e2d4c5679d441c26230efd9ef78692db"
 
 [[package]]
-name = "unicode-width"
-version = "0.1.12"
+name = "unicode-ident"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "68f5e5f3158ecfd4b8ff6fe086db7c8467a2dfdac97fe420f2b7c4aa97af66d6"
+checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
 [[package]]
 name = "uniffi"
-version = "0.27.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5566fae48a5cb017005bf9cd622af5236b2a203a13fb548afde3506d3c68277"
+checksum = "dc5f2297ee5b893405bed1a6929faec4713a061df158ecf5198089f23910d470"
 dependencies = [
  "anyhow",
+ "cargo_metadata",
+ "uniffi_bindgen",
  "uniffi_build",
  "uniffi_core",
  "uniffi_macros",
+ "uniffi_pipeline",
 ]
 
 [[package]]
 name = "uniffi_bindgen"
-version = "0.27.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a77bb514bcd4bf27c9bd404d7c3f2a6a8131b957eba9c22cfeb7751c4278e09"
+checksum = "8bc0c60a9607e7ab77a2ad47ec5530178015014839db25af7512447d2238016c"
 dependencies = [
  "anyhow",
  "askama",
@@ -483,21 +634,23 @@ dependencies = [
  "glob",
  "goblin",
  "heck",
+ "indexmap",
  "once_cell",
- "paste",
  "serde",
+ "tempfile",
  "textwrap",
  "toml",
+ "uniffi_internal_macros",
  "uniffi_meta",
- "uniffi_testing",
+ "uniffi_pipeline",
  "uniffi_udl",
 ]
 
 [[package]]
 name = "uniffi_build"
-version = "0.27.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45cba427aeb7b3a8b54830c4c915079a7a3c62608dd03dddba1d867a8a023eb4"
+checksum = "4c39413c43b955e4aa8a4e2b34bbd1b6b5ff6bd85532b52f9eb92fbe88c14458"
 dependencies = [
  "anyhow",
  "camino",
@@ -505,38 +658,36 @@ dependencies = [
 ]
 
 [[package]]
-name = "uniffi_checksum_derive"
-version = "0.27.1"
+name = "uniffi_core"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae7e5a6c33b1dec3f255f57ec0b6af0f0b2bb3021868be1d5eec7a38e2905ebc"
+checksum = "77baf5d539fe2e1ad6805e942dbc5dbdeb2b83eb5f2b3a6535d422ca4b02a12f"
 dependencies = [
- "quote",
- "syn",
+ "anyhow",
+ "bytes",
+ "once_cell",
+ "static_assertions",
 ]
 
 [[package]]
-name = "uniffi_core"
-version = "0.27.1"
+name = "uniffi_internal_macros"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ea3eb5474d50fc149b7e4d86b9c5bd4a61dcc167f0683902bf18ae7bbb3deef"
+checksum = "b4b42137524f4be6400fcaca9d02c1d4ecb6ad917e4013c0b93235526d8396e5"
 dependencies = [
  "anyhow",
- "bytes",
- "camino",
- "log",
- "once_cell",
- "oneshot-uniffi",
- "paste",
- "static_assertions",
+ "indexmap",
+ "proc-macro2",
+ "quote",
+ "syn",
 ]
 
 [[package]]
 name = "uniffi_macros"
-version = "0.27.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18331d35003f46f0d04047fbe4227291815b83a937a8c32bc057f990962182c4"
+checksum = "d9273ec45330d8fe9a3701b7b983cea7a4e218503359831967cb95d26b873561"
 dependencies = [
- "bincode",
  "camino",
  "fs-err",
  "once_cell",
@@ -550,47 +701,92 @@ dependencies = [
 
 [[package]]
 name = "uniffi_meta"
-version = "0.27.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7224422c4cfd181c7ca9fca2154abca4d21db962f926f270f996edd38b0c4b8"
+checksum = "431d2f443e7828a6c29d188de98b6771a6491ee98bba2d4372643bf93f988a18"
 dependencies = [
  "anyhow",
- "bytes",
  "siphasher",
- "uniffi_checksum_derive",
+ "uniffi_internal_macros",
+ "uniffi_pipeline",
 ]
 
 [[package]]
-name = "uniffi_testing"
-version = "0.27.1"
+name = "uniffi_pipeline"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8ce878d0bdfc288b58797044eaaedf748526c56eef3575380bb4d4b19d69eee"
+checksum = "761ef74f6175e15603d0424cc5f98854c5baccfe7bf4ccb08e5816f9ab8af689"
 dependencies = [
  "anyhow",
- "camino",
- "cargo_metadata",
- "fs-err",
- "once_cell",
+ "heck",
+ "indexmap",
+ "tempfile",
+ "uniffi_internal_macros",
 ]
 
 [[package]]
 name = "uniffi_udl"
-version = "0.27.1"
+version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c43c9ed40a8d20a5c3eae2d23031092db6b96dc8e571beb449ba9757484cea0"
+checksum = "68773ec0e1c067b6505a73bbf6a5782f31a7f9209333a0df97b87565c46bf370"
 dependencies = [
  "anyhow",
  "textwrap",
  "uniffi_meta",
- "uniffi_testing",
  "weedle2",
 ]
 
 [[package]]
-name = "version_check"
-version = "0.9.4"
+name = "wasip2"
+version = "1.0.3+wasi-0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+checksum = "20064672db26d7cdc89c7798c48a0fdfac8213434a1186e5ef29fd560ae223d6"
+dependencies = [
+ "wit-bindgen 0.57.1",
+]
+
+[[package]]
+name = "wasip3"
+version = "0.4.0+wasi-0.3.0-rc-2026-01-06"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5428f8bf88ea5ddc08faddef2ac4a67e390b88186c703ce6dbd955e1c145aca5"
+dependencies = [
+ "wit-bindgen 0.51.0",
+]
+
+[[package]]
+name = "wasm-encoder"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
+dependencies = [
+ "leb128fmt",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasm-metadata"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
+dependencies = [
+ "anyhow",
+ "indexmap",
+ "wasm-encoder",
+ "wasmparser",
+]
+
+[[package]]
+name = "wasmparser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+dependencies = [
+ "bitflags",
+ "hashbrown 0.15.5",
+ "indexmap",
+ "semver",
+]
 
 [[package]]
 name = "weedle2"
@@ -601,6 +797,130 @@ dependencies = [
  "nom",
 ]
 
+[[package]]
+name = "windows-link"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"
+
+[[package]]
+name = "windows-sys"
+version = "0.61.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae137229bcbd6cdf0f7b80a31df61766145077ddf49416a728b02cb3921ff3fc"
+dependencies = [
+ "windows-link",
+]
+
+[[package]]
+name = "winnow"
+version = "0.7.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df79d97927682d2fd8adb29682d1140b343be4ac0f08fd68b7765d9c059d3945"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "winnow"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0592e1c9d151f854e6fd382574c3a0855250e1d9b2f99d9281c6e6391af352f1"
+
+[[package]]
+name = "wit-bindgen"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7249219f66ced02969388cf2bb044a09756a083d0fab1e566056b04d9fbcaa5"
+dependencies = [
+ "wit-bindgen-rust-macro",
+]
+
+[[package]]
+name = "wit-bindgen"
+version = "0.57.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
+
+[[package]]
+name = "wit-bindgen-core"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea61de684c3ea68cb082b7a88508a8b27fcc8b797d738bfc99a82facf1d752dc"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7c566e0f4b284dd6561c786d9cb0142da491f46a9fbed79ea69cdad5db17f21"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap",
+ "prettyplease",
+ "syn",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.51.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c0f9bfd77e6a48eccf51359e3ae77140a7f50b1e2ebfe62422d8afdaffab17a"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
+dependencies = [
+ "anyhow",
+ "bitflags",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.244.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
+
 [[package]]
 name = "zerocopy"
 version = "0.7.32"
@@ -621,3 +941,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zmij"
+version = "1.0.21"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8848ee67ecc8aedbaf3e4122217aff892639231befc6a1b58d29fff4c2cabaa"
diff --git a/uniffi/huffman/Cargo.toml b/uniffi/huffman/Cargo.toml
index 10b24424..87a6f717 100644
--- a/uniffi/huffman/Cargo.toml
+++ b/uniffi/huffman/Cargo.toml
@@ -11,7 +11,7 @@ crate-type = ["cdylib"]
 
 [dependencies]
 libtw2-huffman = { path = "../../huffman" }
-uniffi = "0.27"
+uniffi = "0.31"
 
 [build-dependencies]
-uniffi = { version = "0.27", features = ["build"] }
+uniffi = { version = "0.31", features = ["build"] }
diff --git a/uniffi/huffman/pyproject.toml b/uniffi/huffman/pyproject.toml
index 08f16c85..4ea70dac 100644
--- a/uniffi/huffman/pyproject.toml
+++ b/uniffi/huffman/pyproject.toml
@@ -6,5 +6,5 @@ version = "0.2.1"
 repository = "https://github.com/heinrich5991/libtw2"
 
 [build-system]
-requires = ["maturin>=1.0,<2.0", "uniffi-bindgen>=0.27.0,<0.28.0"]
+requires = ["maturin>=1.0,<2.0", "uniffi-bindgen>=0.31.0,<0.32.0"]
 build-backend = "maturin"