diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f28f0f1..9343c5c 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -100,7 +100,7 @@ jobs:
       with:
         submodules: true
     - name: Install Rust (rustup)
-      run: rustup update 1.76.0 --no-self-update && rustup default 1.76.0
+      run: rustup update 1.81.0 --no-self-update && rustup default 1.81.0
     - run: cargo build
 
   rustfmt:
diff --git a/Cargo.lock b/Cargo.lock
index c7d9e14..3f4c9fc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -172,12 +172,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.16.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
 [[package]]
 name = "heck"
 version = "0.5.0"
@@ -192,14 +186,13 @@ checksum = "25a2bc672d1148e28034f176e01fffebb08b35768468cc954630da77a1449005"
 
 [[package]]
 name = "indexmap"
-version = "2.11.4"
+version = "2.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
+checksum = "f2481980430f9f78649238835720ddccc57e52df14ffce1c6f37391d61b563e9"
 dependencies = [
  "equivalent",
- "hashbrown 0.16.1",
+ "hashbrown",
  "serde",
- "serde_core",
 ]
 
 [[package]]
@@ -228,9 +221,9 @@ checksum = "9fa0e2a1fcbe2f6be6c42e342259976206b383122fc152e872795338b5a3f3a7"
 
 [[package]]
 name = "libc"
-version = "0.2.179"
+version = "0.2.180"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c5a2d376baa530d1238d133232d15e239abad80d05838b4b59354e5268af431f"
+checksum = "bcc35a38544a891a5f7c865aca548a982ccb3b8650a5b06d0fd33a10283c56fc"
 
 [[package]]
 name = "linux-raw-sys"
@@ -264,18 +257,18 @@ checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.104"
+version = "1.0.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9695f8df41bb4f3d222c95a67532365f569318332d03d5f3f67f37b20e6ebdf0"
+checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.42"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a338cc41d27e6cc6dce6cefc13a0729dfbb81c262b1f519331575dd80ef3067f"
+checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
 dependencies = [
  "proc-macro2",
 ]
@@ -336,9 +329,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.148"
+version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3084b546a1dd6289475996f182a22aba973866ea8e8b02c51d9f46b1336a22da"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
  "itoa",
  "memchr",
@@ -355,9 +348,9 @@ checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
 [[package]]
 name = "syn"
-version = "2.0.113"
+version = "2.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "678faa00651c9eb72dd2020cbdf275d92eccb2400d568e419efdd64838145cb4"
+checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -403,9 +396,9 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "wasi-preview1-component-adapter-provider"
-version = "40.0.0"
+version = "40.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb5e2b9858989c3a257de4ca169977f4f79897b64e4f482f188f4fcf8ac557d1"
+checksum = "eb5f1e453418481d19765654239c515f9c6095957d5d7cc0c774f5f33947ab1c"
 
 [[package]]
 name = "wasip2"
@@ -437,9 +430,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-encoder"
-version = "0.243.0"
+version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c55db9c896d70bd9fa535ce83cd4e1f2ec3726b0edd2142079f594fc3be1cb35"
+checksum = "990065f2fe63003fe337b932cfb5e3b80e0b4d0f5ff650e6985b1048f62c8319"
 dependencies = [
  "leb128fmt",
  "wasmparser",
@@ -447,9 +440,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-metadata"
-version = "0.243.0"
+version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eae05bf9579f45a62e8d0a4e3f52eaa8da518883ac5afa482ec8256c329ecd56"
+checksum = "bb0e353e6a2fbdc176932bbaab493762eb1255a7900fe0fea1a2f96c296cc909"
 dependencies = [
  "anyhow",
  "indexmap",
@@ -459,12 +452,12 @@ dependencies = [
 
 [[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",
- "hashbrown 0.15.5",
+ "hashbrown",
  "indexmap",
  "semver",
  "serde",
@@ -472,9 +465,9 @@ dependencies = [
 
 [[package]]
 name = "wast"
-version = "243.0.0"
+version = "244.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df21d01c2d91e46cb7a221d79e58a2d210ea02020d57c092e79255cc2999ca7f"
+checksum = "b2e7b9f9e23311275920e3d6b56d64137c160cf8af4f84a7283b36cfecbf4acb"
 dependencies = [
  "bumpalo",
  "leb128fmt",
@@ -485,9 +478,9 @@ dependencies = [
 
 [[package]]
 name = "wat"
-version = "1.243.0"
+version = "1.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "226a9a91cd80a50449312fef0c75c23478fcecfcc4092bdebe1dc8e760ef521b"
+checksum = "bbf35b87ed352f9ab6cd0732abde5a67dd6153dfd02c493e61459218b19456fa"
 dependencies = [
  "wast",
 ]
@@ -521,9 +514,9 @@ checksum = "f17a85883d4e6d00e8a97c586de764dabcc06133f7f1d55dce5cdc070ad7fe59"
 
 [[package]]
 name = "wit-component"
-version = "0.243.0"
+version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36f9fc53513e461ce51dcf17a3e331752cb829f1d187069e54af5608fc998fe4"
+checksum = "9d66ea20e9553b30172b5e831994e35fbde2d165325bec84fc43dbf6f4eb9cb2"
 dependencies = [
  "anyhow",
  "bitflags",
@@ -540,9 +533,9 @@ dependencies = [
 
 [[package]]
 name = "wit-parser"
-version = "0.243.0"
+version = "0.244.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df983a8608e513d8997f435bb74207bf0933d0e49ca97aa9d8a6157164b9b7fc"
+checksum = "ecc8ac4bc1dc3381b7f59c34f00b67e18f910c2c0f50015669dde7def656a736"
 dependencies = [
  "anyhow",
  "id-arena",
@@ -558,6 +551,6 @@ dependencies = [
 
 [[package]]
 name = "zmij"
-version = "1.0.10"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30e0d8dffbae3d840f64bda38e28391faef673a7b5a6017840f2a106c8145868"
+checksum = "2fc5a66a20078bf1251bde995aa2fdcc4b800c70b5d92dd2c62abc5c60f679f8"
diff --git a/Cargo.toml b/Cargo.toml
index aaba23d..2b9675d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ license = "Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT"
 description = "Linker for `wasm32-wasip2`"
 repository = "https://github.com/bytecodealliance/wasm-component-ld"
 readme = "README.md"
-rust-version = "1.76.0"
+rust-version = "1.81.0"
 
 [package.metadata.binstall]
 pkg-url = "{repo}/releases/download/v{version}/{name}-v{version}-{target-arch}-{target-family}{archive-suffix}"
@@ -29,10 +29,10 @@ clap = { version = "4.5.4", features = ['derive'] }
 clap_lex = "0.7.5"
 lexopt = "0.3.0"
 tempfile = "3.10.0"
-wasmparser = "0.243.0"
-wat = "1.243.0"
-wit-component = "0.243.0"
-wit-parser = "0.243.0"
+wasmparser = "0.244.0"
+wat = "1.244.0"
+wit-component = "0.244.0"
+wit-parser = "0.244.0"
 wasi-preview1-component-adapter-provider = "40.0.0"
 
 [target.'cfg(unix)'.dependencies]