diff --git a/Cargo.lock b/Cargo.lock
index caab3cfcc..4853b209f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -217,9 +217,9 @@ dependencies = [
 
 [[package]]
 name = "bytes"
-version = "1.11.1"
+version = "1.12.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e748733b7cbc798e1434b6ac524f0c1ff2ab456fe201501e6497c8417a4fc33"
+checksum = "fc652a48c352aef3ea3aed32080501cf3ef6ed5da78602a020c991775b0aff04"
 
 [[package]]
 name = "cap-fs-ext"
@@ -745,6 +745,12 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
+[[package]]
+name = "foldhash"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.2"
@@ -924,7 +930,7 @@ version = "0.15.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 dependencies = [
- "foldhash",
+ "foldhash 0.1.5",
  "serde",
 ]
 
@@ -933,6 +939,9 @@ name = "hashbrown"
 version = "0.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4f467dd6dccf739c208452f8014c75c18bb8301b050ad1cfb27153803edb0f51"
+dependencies = [
+ "foldhash 0.2.0",
+]
 
 [[package]]
 name = "heck"
@@ -1289,9 +1298,9 @@ dependencies = [
 
 [[package]]
 name = "magnus"
-version = "0.8.2"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b36a5b126bbe97eb0d02d07acfeb327036c6319fd816139a49824a83b7f9012"
+checksum = "379d50b6eea4ca84074ccd3e551eb9b07f7865194d5b3198325317e9ef78e5e9"
 dependencies = [
  "bytes",
  "magnus-macros",
@@ -1302,9 +1311,9 @@ dependencies = [
 
 [[package]]
 name = "magnus-macros"
-version = "0.8.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47607461fd8e1513cb4f2076c197d8092d921a1ea75bd08af97398f593751892"
+checksum = "9dafde2eeb66f090e0f326112323eb8324b12cb32b5d1210e541d3df6b0ce77e"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1680,8 +1689,8 @@ dependencies = [
  "structopt",
  "wasi-vfs-cli",
  "wasi-virt",
- "wasm-compose 0.219.2",
- "wit-component 0.244.0",
+ "wasm-compose 0.243.0",
+ "wit-component 0.259.0",
 ]
 
 [[package]]
@@ -2430,27 +2439,6 @@ dependencies = [
  "wat",
 ]
 
-[[package]]
-name = "wasm-compose"
-version = "0.219.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1433c72fd87e03d5224759872e599cd15172bddc982b39aef47a8a87a577bbf"
-dependencies = [
- "anyhow",
- "heck 0.4.1",
- "im-rc",
- "indexmap 2.14.0",
- "log",
- "petgraph",
- "serde",
- "serde_derive",
- "serde_yaml",
- "smallvec",
- "wasm-encoder 0.219.2",
- "wasmparser 0.219.2",
- "wat",
-]
-
 [[package]]
 name = "wasm-compose"
 version = "0.243.0"
@@ -2491,16 +2479,6 @@ dependencies = [
  "wasmparser 0.212.0",
 ]
 
-[[package]]
-name = "wasm-encoder"
-version = "0.219.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8aa79bcd666a043b58f5fa62b221b0b914dd901e6f620e8ab7371057a797f3e1"
-dependencies = [
- "leb128",
- "wasmparser 0.219.2",
-]
-
 [[package]]
 name = "wasm-encoder"
 version = "0.243.0"
@@ -2531,6 +2509,16 @@ dependencies = [
  "wasmparser 0.246.2",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.259.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1d0246511d901aacf25d2dc9111f0054947de5e093fe662099e709ff7530dc3"
+dependencies = [
+ "leb128fmt",
+ "wasmparser 0.259.0",
+]
+
 [[package]]
 name = "wasm-metadata"
 version = "0.212.0"
@@ -2559,6 +2547,18 @@ dependencies = [
  "wasmparser 0.244.0",
 ]
 
+[[package]]
+name = "wasm-metadata"
+version = "0.259.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4e7bf119eb01f4a246864c10bd87c8f26c566350abb25aa4d5273c415bbab338"
+dependencies = [
+ "anyhow",
+ "indexmap 2.14.0",
+ "wasm-encoder 0.259.0",
+ "wasmparser 0.259.0",
+]
+
 [[package]]
 name = "wasmparser"
 version = "0.80.2"
@@ -2580,49 +2580,48 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.219.2"
+version = "0.243.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5220ee4c6ffcc0cb9d7c47398052203bc902c8ef3985b0c8134118440c0b2921"
+checksum = "f6d8db401b0528ec316dfbe579e6ab4152d61739cfe076706d2009127970159d"
 dependencies = [
- "ahash",
  "bitflags 2.11.0",
- "hashbrown 0.14.5",
+ "hashbrown 0.15.5",
  "indexmap 2.14.0",
  "semver",
+ "serde",
 ]
 
 [[package]]
 name = "wasmparser"
-version = "0.243.0"
+version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6d8db401b0528ec316dfbe579e6ab4152d61739cfe076706d2009127970159d"
+checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
 dependencies = [
  "bitflags 2.11.0",
  "hashbrown 0.15.5",
  "indexmap 2.14.0",
  "semver",
- "serde",
 ]
 
 [[package]]
 name = "wasmparser"
-version = "0.244.0"
+version = "0.246.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47b807c72e1bac69382b3a6fb3dbe8ea4c0ed87ff5629b8685ae6b9a611028fe"
+checksum = "71cde4757396defafd25417cfb36aa3161027d06d865b0c24baaae229aac005d"
 dependencies = [
  "bitflags 2.11.0",
- "hashbrown 0.15.5",
  "indexmap 2.14.0",
  "semver",
 ]
 
 [[package]]
 name = "wasmparser"
-version = "0.246.2"
+version = "0.259.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "71cde4757396defafd25417cfb36aa3161027d06d865b0c24baaae229aac005d"
+checksum = "0f7c12eac7bb587801590f6a67ff0bc84d0748513864b71108e4b311cc3df694"
 dependencies = [
  "bitflags 2.11.0",
+ "hashbrown 0.17.0",
  "indexmap 2.14.0",
  "semver",
 ]
@@ -3330,6 +3329,25 @@ dependencies = [
  "wit-parser 0.244.0",
 ]
 
+[[package]]
+name = "wit-component"
+version = "0.259.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "092f783dee3253265fcde131475055f8c275ac0176a9c0396db1dc7b5544bfb4"
+dependencies = [
+ "anyhow",
+ "bitflags 2.11.0",
+ "indexmap 2.14.0",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder 0.259.0",
+ "wasm-metadata 0.259.0",
+ "wasmparser 0.259.0",
+ "wit-parser 0.259.0",
+]
+
 [[package]]
 name = "wit-parser"
 version = "0.212.0"
@@ -3384,6 +3402,25 @@ dependencies = [
  "wasmparser 0.244.0",
 ]
 
+[[package]]
+name = "wit-parser"
+version = "0.259.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6390f4f02493ce678d509c859cf1698e38929fb75c8012a6ee2f7d6b6cb66cd7"
+dependencies = [
+ "anyhow",
+ "hashbrown 0.17.0",
+ "id-arena",
+ "indexmap 2.14.0",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-ident",
+ "wasmparser 0.259.0",
+]
+
 [[package]]
 name = "witx"
 version = "0.9.1"
diff --git a/ext/ruby_wasm/Cargo.toml b/ext/ruby_wasm/Cargo.toml
index 7727d7e34..5f4699f38 100644
--- a/ext/ruby_wasm/Cargo.toml
+++ b/ext/ruby_wasm/Cargo.toml
@@ -10,10 +10,10 @@ publish = false
 crate-type = ["cdylib"]
 
 [dependencies]
-magnus = { version = "0.8", features = ["bytes"] }
+magnus = { version = "0.9", features = ["bytes"] }
 bytes = "1"
 structopt = "0.3.26"
-wit-component = "0.244.0"
-wasm-compose = "0.219.1"
+wit-component = "0.259.0"
+wasm-compose = "0.243.0"
 wasi-virt = { git = "https://github.com/bytecodealliance/wasi-virt", rev = "dadd131d8cf8ed1ed4265e96350f5f166e27a339", default-features = false }
 wasi-vfs-cli = { git = "https://github.com/kateinoigakukun/wasi-vfs/", tag = "v0.6.2" }