diff --git a/Cargo.lock b/Cargo.lock
index 0e7a8dcff..abcccb105 100644
--- a/Cargo.lock
+++ b/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 = "ahash"
@@ -173,6 +173,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 dependencies = [
  "ahash",
+ "serde",
 ]
 
 [[package]]
@@ -257,12 +258,12 @@ dependencies = [
  "heck 0.5.0",
  "log",
  "semver",
- "wasm-encoder 0.221.2",
- "wasmparser 0.221.2",
+ "wasm-encoder 0.220.0",
+ "wasmparser 0.220.0",
  "wasmtime-environ",
  "wit-bindgen-core",
- "wit-component 0.221.2",
- "wit-parser 0.221.2",
+ "wit-component",
+ "wit-parser",
 ]
 
 [[package]]
@@ -637,35 +638,19 @@ dependencies = [
  "wasmparser 0.220.0",
 ]
 
-[[package]]
-name = "wasm-metadata"
-version = "0.221.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9a7018a96c4f55a8f339954c66e09728f2d6112689000e58f15f6a6d7436e8f"
-dependencies = [
- "anyhow",
- "indexmap",
- "serde",
- "serde_derive",
- "serde_json",
- "spdx",
- "wasm-encoder 0.221.2",
- "wasmparser 0.221.2",
-]
-
 [[package]]
 name = "wasm-tools-js"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "wasm-encoder 0.221.2",
- "wasm-metadata 0.221.2",
- "wasmparser 0.221.2",
- "wasmprinter",
+ "wasm-encoder 0.220.0",
+ "wasm-metadata",
+ "wasmparser 0.220.0",
+ "wasmprinter 0.220.0",
  "wat",
  "wit-bindgen",
- "wit-component 0.221.2",
- "wit-parser 0.221.2",
+ "wit-component",
+ "wit-parser",
 ]
 
 [[package]]
@@ -679,6 +664,7 @@ dependencies = [
  "hashbrown 0.14.5",
  "indexmap",
  "semver",
+ "serde",
 ]
 
 [[package]]
@@ -705,6 +691,17 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "wasmprinter"
+version = "0.220.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ae749f2c66587777ce9ad0e8c632e72c77574336b17d2f040a47cffbd92198c7"
+dependencies = [
+ "anyhow",
+ "termcolor",
+ "wasmparser 0.220.0",
+]
+
 [[package]]
 name = "wasmprinter"
 version = "0.221.2"
@@ -743,7 +740,7 @@ dependencies = [
  "target-lexicon",
  "wasm-encoder 0.221.2",
  "wasmparser 0.221.2",
- "wasmprinter",
+ "wasmprinter 0.221.2",
  "wasmtime-component-util",
 ]
 
@@ -912,7 +909,7 @@ checksum = "b632a5a0fa2409489bd49c9e6d99fcc61bb3d4ce9d1907d44662e75a28c71172"
 dependencies = [
  "anyhow",
  "heck 0.5.0",
- "wit-parser 0.220.0",
+ "wit-parser",
 ]
 
 [[package]]
@@ -935,9 +932,9 @@ dependencies = [
  "indexmap",
  "prettyplease",
  "syn 2.0.96",
- "wasm-metadata 0.220.0",
+ "wasm-metadata",
  "wit-bindgen-core",
- "wit-component 0.220.0",
+ "wit-component",
 ]
 
 [[package]]
@@ -969,29 +966,10 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "wasm-encoder 0.220.0",
- "wasm-metadata 0.220.0",
+ "wasm-metadata",
  "wasmparser 0.220.0",
- "wit-parser 0.220.0",
-]
-
-[[package]]
-name = "wit-component"
-version = "0.221.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8c6b907a1af1f2cf2160d7fe2ff5967cef120dc5c034d22593a1f24e40272cb2"
-dependencies = [
- "anyhow",
- "bitflags 2.8.0",
- "indexmap",
- "log",
- "serde",
- "serde_derive",
- "serde_json",
- "wasm-encoder 0.221.2",
- "wasm-metadata 0.221.2",
- "wasmparser 0.221.2",
  "wat",
- "wit-parser 0.221.2",
+ "wit-parser",
 ]
 
 [[package]]
@@ -1023,24 +1001,6 @@ dependencies = [
  "wasmparser 0.220.0",
 ]
 
-[[package]]
-name = "wit-parser"
-version = "0.221.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbe1538eea6ea5ddbe5defd0dc82539ad7ba751e1631e9185d24a931f0a5adc8"
-dependencies = [
- "anyhow",
- "id-arena",
- "indexmap",
- "log",
- "semver",
- "serde",
- "serde_derive",
- "serde_json",
- "unicode-xid",
- "wasmparser 0.221.2",
-]
-
 [[package]]
 name = "xshell"
 version = "0.2.7"
@@ -1066,7 +1026,7 @@ dependencies = [
  "structopt",
  "webidl2wit",
  "weedle",
- "wit-component 0.221.2",
+ "wit-component",
  "wit-encoder",
  "xshell",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 24752f028..d63708fe0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,20 +41,20 @@ log = "0.4.22"
 semver = "1.0.25"
 js-component-bindgen = { path = "./crates/js-component-bindgen" }
 structopt = "0.3.26"
-wasm-encoder = "0.221.2"
-wasm-metadata = "0.221.2"
-wasmparser = "0.221.2"
-wasmprinter = "0.221.2"
+wasm-encoder = "0.220.0"
+wasm-metadata = "0.220.0"
+wasmparser = "0.220.0"
+wasmprinter = "0.220.0"
 wasmtime-environ = { version = "29.0.0", features = [
     "component-model",
     "compile",
 ] }
-wat = "1.221.2"
+wat = "1.220.0"
 wit-bindgen = "0.36.0"
 wit-bindgen-core = "0.36.0"
-wit-component = { version = "0.221.2", features = ["dummy-module"] }
-wit-parser = "=0.221.2"
+wit-component = { version = "0.220.0", features = ["dummy-module"] }
+wit-parser = "0.220.0"
 xshell = "0.2.6"
 
 [dev-dependencies]
-anyhow = { workspace = true }
\ No newline at end of file
+anyhow = { workspace = true }
diff --git a/crates/js-component-bindgen/src/core.rs b/crates/js-component-bindgen/src/core.rs
index e8dccdbbd..2ff1f64f0 100644
--- a/crates/js-component-bindgen/src/core.rs
+++ b/crates/js-component-bindgen/src/core.rs
@@ -188,7 +188,9 @@ impl<'a> Translation<'a> {
 
     /// Returns the exports of this module, which are not modified by
     /// augmentation.
-    pub fn exports(&self) -> &IndexMap<String, EntityIndex> {
+    pub fn exports(
+        &self,
+    ) -> &wasmtime_environ::wasmparser::collections::IndexMap<String, EntityIndex> {
         match self {
             Translation::Normal(translation) => &translation.module.exports,
             Translation::Augmented { original, .. } => &original.module.exports,
@@ -546,7 +548,7 @@ macro_rules! define_visit {
 impl<'a> VisitOperator<'a> for CollectMemOps<'_, 'a> {
     type Output = ();
 
-    wasmparser::for_each_visit_operator!(define_visit);
+    wasmparser::for_each_operator!(define_visit);
 }
 
 impl AugmentedOp {
@@ -772,7 +774,7 @@ macro_rules! define_translate {
 impl<'a> VisitOperator<'a> for Translator<'_, 'a> {
     type Output = ();
 
-    wasmparser::for_each_visit_operator!(define_translate);
+    wasmparser::for_each_operator!(define_translate);
 }
 
 #[derive(Debug, Hash, Eq, PartialEq, Copy, Clone)]
diff --git a/crates/js-component-bindgen/src/lib.rs b/crates/js-component-bindgen/src/lib.rs
index 587babb79..827915531 100644
--- a/crates/js-component-bindgen/src/lib.rs
+++ b/crates/js-component-bindgen/src/lib.rs
@@ -80,7 +80,6 @@ pub fn generate_types(
 /// Outputs the file map and import and export metadata for the Transpilation
 #[cfg(feature = "transpile-bindgen")]
 pub fn transpile(component: &[u8], opts: TranspileOpts) -> Result<Transpiled, anyhow::Error> {
-    use wasmparser::Validator;
     use wasmtime_environ::component::{Component, Translator};
 
     let name = opts.name.clone();
@@ -116,7 +115,7 @@ pub fn transpile(component: &[u8], opts: TranspileOpts) -> Result<Transpiled, an
     // that need to be executed to instantiate a component.
     let scope = ScopeVec::new();
     let tunables = Tunables::default_u32();
-    let mut validator = Validator::default();
+    let mut validator = wasmtime_environ::wasmparser::Validator::default();
     let mut types = ComponentTypesBuilder::new(&validator);
 
     let (component, modules) = Translator::new(&tunables, &mut validator, &mut types, &scope)