diff --git a/tools-builder/toolchains/Cargo.lock b/tools-builder/toolchains/Cargo.lock
index 101ca554..dffdec46 100644
--- a/tools-builder/toolchains/Cargo.lock
+++ b/tools-builder/toolchains/Cargo.lock
@@ -401,7 +401,7 @@ dependencies = [
  "clap",
  "env_logger",
  "log",
- "wasm-encoder 0.241.2",
+ "wasm-encoder 0.242.0",
  "wasmparser 0.240.0",
  "wat",
  "wit-component",
@@ -444,12 +444,12 @@ dependencies = [
 
 [[package]]
 name = "wasm-encoder"
-version = "0.241.2"
+version = "0.242.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e01164c9dda68301e34fdae536c23ed6fe90ce6d97213ccc171eebbd3d02d6b8"
+checksum = "67f90e55bc9c6ee6954a757cc6eb3424d96b442e5252ed10fea627e518878d36"
 dependencies = [
  "leb128fmt",
- "wasmparser 0.241.2",
+ "wasmparser 0.242.0",
 ]
 
 [[package]]
@@ -479,9 +479,9 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.241.2"
+version = "0.242.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46d90019b1afd4b808c263e428de644f3003691f243387d30d673211ee0cb8e8"
+checksum = "ed3c6e611f4cd748d85c767815823b777dc56afca793fcda27beae4e85028849"
 dependencies = [
  "bitflags",
  "indexmap",
diff --git a/tools-builder/toolchains/Cargo.toml b/tools-builder/toolchains/Cargo.toml
index 652aa893..fa531086 100644
--- a/tools-builder/toolchains/Cargo.toml
+++ b/tools-builder/toolchains/Cargo.toml
@@ -17,7 +17,7 @@ log = "0.4"
 
 # WebAssembly parsing and manipulation
 wasmparser = "0.240"
-wasm-encoder = "0.241"
+wasm-encoder = "0.242"
 wat = "1.240"
 
 # Component model support