diff --git a/Cargo.lock b/Cargo.lock
index 0e720992f..f8e72ebef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1150,11 +1150,11 @@ name = "test-helpers"
 version = "0.0.0"
 dependencies = [
  "codegen-macro",
- "wasm-encoder",
+ "wasm-encoder 0.26.0",
  "wat",
  "wit-bindgen-core",
  "wit-component",
- "wit-parser 0.7.0",
+ "wit-parser 0.7.1",
 ]
 
 [[package]]
@@ -1328,17 +1328,26 @@ dependencies = [
  "leb128",
 ]
 
+[[package]]
+name = "wasm-encoder"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d05d0b6fcd0aeb98adf16e7975331b3c17222aa815148f5b976370ce589d80ef"
+dependencies = [
+ "leb128",
+]
+
 [[package]]
 name = "wasm-metadata"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23f0e21d37de19839e41148d35172a14475fe90bb3eefe27a75a9fd81d004a30"
+checksum = "dbdef99fafff010c57fabb7bc703f0903ec16fcee49207a22dcc4f78ea44562f"
 dependencies = [
  "anyhow",
  "indexmap",
  "serde",
- "wasm-encoder",
- "wasmparser 0.103.0",
+ "wasm-encoder 0.26.0",
+ "wasmparser 0.104.0",
 ]
 
 [[package]]
@@ -1361,6 +1370,16 @@ dependencies = [
  "url",
 ]
 
+[[package]]
+name = "wasmparser"
+version = "0.104.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a396af81a7c56ad976131d6a35e4b693b78a1ea0357843bd436b4577e254a7d"
+dependencies = [
+ "indexmap",
+ "url",
+]
+
 [[package]]
 name = "wasmprinter"
 version = "0.2.55"
@@ -1507,7 +1526,7 @@ dependencies = [
  "serde",
  "target-lexicon",
  "thiserror",
- "wasm-encoder",
+ "wasm-encoder 0.25.0",
  "wasmparser 0.102.0",
  "wasmprinter",
  "wasmtime-component-util",
@@ -1625,21 +1644,21 @@ dependencies = [
 
 [[package]]
 name = "wast"
-version = "56.0.0"
+version = "57.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b54185c051d7bbe23757d50fe575880a2426a2f06d2e9f6a10fd9a4a42920c0"
+checksum = "6eb0f5ed17ac4421193c7477da05892c2edafd67f9639e3c11a82086416662dc"
 dependencies = [
  "leb128",
  "memchr",
  "unicode-width",
- "wasm-encoder",
+ "wasm-encoder 0.26.0",
 ]
 
 [[package]]
 name = "wat"
-version = "1.0.62"
+version = "1.0.63"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "56681922808216ab86d96bb750f70d500b5a7800e41564290fd46bb773581299"
+checksum = "ab9ab0d87337c3be2bb6fc5cd331c4ba9fd6bcb4ee85048a0dd59ed9ecf92e53"
 dependencies = [
  "wast",
 ]
@@ -1823,7 +1842,7 @@ dependencies = [
  "clap",
  "heck",
  "test-helpers",
- "wasm-encoder",
+ "wasm-encoder 0.26.0",
  "wasm-metadata",
  "wit-bindgen-core",
  "wit-component",
@@ -1837,7 +1856,7 @@ dependencies = [
  "clap",
  "heck",
  "test-artifacts",
- "wasm-encoder",
+ "wasm-encoder 0.26.0",
  "wasmtime",
  "wat",
  "wit-bindgen-c",
@@ -1847,7 +1866,7 @@ dependencies = [
  "wit-bindgen-rust",
  "wit-bindgen-teavm-java",
  "wit-component",
- "wit-parser 0.7.0",
+ "wit-parser 0.7.1",
 ]
 
 [[package]]
@@ -1856,7 +1875,7 @@ version = "0.5.0"
 dependencies = [
  "anyhow",
  "wit-component",
- "wit-parser 0.7.0",
+ "wit-parser 0.7.1",
 ]
 
 [[package]]
@@ -1930,20 +1949,20 @@ dependencies = [
 
 [[package]]
 name = "wit-component"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1525441a5cdd77a259e6fb02432348d5040da428def769cafbdbc4260efdbde2"
+checksum = "e291ff83cb9c8e59963cc6922bdda77ed8f5517d6835f0c98070c4e7f1ae4996"
 dependencies = [
  "anyhow",
  "bitflags 1.3.2",
  "indexmap",
  "log",
  "url",
- "wasm-encoder",
+ "wasm-encoder 0.26.0",
  "wasm-metadata",
- "wasmparser 0.103.0",
+ "wasmparser 0.104.0",
  "wat",
- "wit-parser 0.7.0",
+ "wit-parser 0.7.1",
 ]
 
 [[package]]
@@ -1963,9 +1982,9 @@ dependencies = [
 
 [[package]]
 name = "wit-parser"
-version = "0.7.0"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "365273e457e2cacf762df10df4b1e0d4d9912b5332ff4cf2a172760fd67b7ec4"
+checksum = "5ca2581061573ef6d1754983d7a9b3ed5871ef859d52708ea9a0f5af32919172"
 dependencies = [
  "anyhow",
  "id-arena",
diff --git a/Cargo.toml b/Cargo.toml
index 6fb1a3def..9bcaada93 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,11 +29,11 @@ clap = { version = "4.2.2", features = ["derive"] }
 env_logger = "0.10.0"
 indexmap = "1.9.3"
 
-wasm-encoder = "0.25.0"
-wasm-metadata = "0.4.0"
-wat = "1.0.62"
-wit-parser = "0.7.0"
-wit-component = "0.8.1"
+wasm-encoder = "0.26.0"
+wasm-metadata = "0.5.0"
+wat = "1.0.63"
+wit-parser = "0.7.1"
+wit-component = "0.8.2"
 
 wit-bindgen-core = { path = 'crates/core', version = '0.5.0' }
 wit-bindgen-c = { path = 'crates/c', version = '0.5.0' }
diff --git a/crates/c/src/component_type_object.rs b/crates/c/src/component_type_object.rs
index 29df0721a..671d1dd95 100644
--- a/crates/c/src/component_type_object.rs
+++ b/crates/c/src/component_type_object.rs
@@ -43,8 +43,8 @@ pub fn object(resolve: &Resolve, world: WorldId, encoding: StringEncoding) -> Re
 
     // Add our custom section
     module.section(&CustomSection {
-        name: &section_name,
-        data: data.as_slice(),
+        name: std::borrow::Cow::Borrowed(&section_name),
+        data: std::borrow::Cow::Borrowed(data.as_slice()),
     });
 
     // Append the linking section, so that lld knows the custom section's symbol name
diff --git a/crates/test-helpers/src/lib.rs b/crates/test-helpers/src/lib.rs
index 361bd7432..1ce29d867 100644
--- a/crates/test-helpers/src/lib.rs
+++ b/crates/test-helpers/src/lib.rs
@@ -93,8 +93,8 @@ pub fn run_component_codegen_test(
     let encoded =
         wit_component::metadata::encode(&resolve, world, StringEncoding::UTF8, None).unwrap();
     let section = wasm_encoder::CustomSection {
-        name: "component-type",
-        data: &encoded,
+        name: std::borrow::Cow::Borrowed("component-type"),
+        data: std::borrow::Cow::Borrowed(&encoded),
     };
     wasm.push(section.id());
     section.encode(&mut wasm);
diff --git a/tests/runtime/main.rs b/tests/runtime/main.rs
index 3d06971f6..60df4949e 100644
--- a/tests/runtime/main.rs
+++ b/tests/runtime/main.rs
@@ -1,4 +1,5 @@
 use anyhow::Result;
+use std::borrow::Cow;
 use std::fs;
 use std::io::Write;
 use std::path::PathBuf;
@@ -266,8 +267,8 @@ fn tests(name: &str) -> Result<Vec<PathBuf>> {
         let encoded = wit_component::metadata::encode(&resolve, world, StringEncoding::UTF8, None)?;
 
         let section = wasm_encoder::CustomSection {
-            name: "component-type",
-            data: &encoded,
+            name: Cow::Borrowed("component-type"),
+            data: Cow::Borrowed(&encoded),
         };
         module.push(section.id());
         section.encode(&mut module);