diff --git a/Cargo.toml b/Cargo.toml
index a18a442..13a97fd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ rust-version = "1.85"
 
 [workspace.dependencies]
 # WebAssembly parsing and encoding
-wasmparser = { version = "0.256", features = ["component-model"] }
+wasmparser = { version = "0.258", features = ["component-model"] }
 wasm-encoder = { version = "0.256", features = ["component-model"] }
 wasmprinter = "0.257"
 wat = "1.241"
diff --git a/fuzz/Cargo.lock b/fuzz/Cargo.lock
index 8372414..f000871 100644
--- a/fuzz/Cargo.lock
+++ b/fuzz/Cargo.lock
@@ -215,7 +215,7 @@ dependencies = [
  "rayon",
  "thiserror",
  "wasm-encoder 0.256.0",
- "wasmparser 0.256.0",
+ "wasmparser 0.258.0",
  "wasmprinter",
  "wat",
  "wit-component",
@@ -228,7 +228,7 @@ dependencies = [
  "arbitrary",
  "libfuzzer-sys",
  "loom-core",
- "wasmparser 0.256.0",
+ "wasmparser 0.258.0",
 ]
 
 [[package]]
@@ -247,7 +247,7 @@ dependencies = [
  "cranelift-isle",
  "thiserror",
  "wasm-encoder 0.256.0",
- "wasmparser 0.256.0",
+ "wasmparser 0.258.0",
  "wasmprinter",
  "wat",
  "wit-component",
@@ -471,7 +471,6 @@ dependencies = [
  "hashbrown",
  "indexmap",
  "semver",
- "serde",
 ]
 
 [[package]]
@@ -492,8 +491,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9a61719f93a87b16d325921e251800c4833f8fab50fa21c7de73aed50086313"
 dependencies = [
  "bitflags",
+ "hashbrown",
  "indexmap",
  "semver",
+ "serde",
 ]
 
 [[package]]
diff --git a/fuzz/Cargo.toml b/fuzz/Cargo.toml
index 5aae910..0d46436 100644
--- a/fuzz/Cargo.toml
+++ b/fuzz/Cargo.toml
@@ -16,7 +16,7 @@ libfuzzer-sys = "0.4"
 arbitrary = { version = "1", features = ["derive"] }
 # Disable verification feature to avoid Z3 compilation (not needed for fuzzing)
 loom-core = { path = "../loom-core", default-features = false }
-wasmparser = { version = "0.256" }
+wasmparser = { version = "0.258" }
 
 [[bin]]
 name = "fuzz_optimize"