diff --git a/Cargo.lock b/Cargo.lock
index 88e482c17..6706ab2d3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -148,7 +148,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -180,13 +180,13 @@ dependencies = [
  "clang-sys",
  "itertools 0.13.0",
  "log",
- "prettyplease",
+ "prettyplease 0.2.37",
  "proc-macro2",
  "quote",
  "regex",
  "rustc-hash",
  "shlex 1.3.0",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -291,7 +291,7 @@ checksum = "f9abbd1bc6865053c427f7198e6af43bfdedc55ab791faed4fbd361d789575ff"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -343,7 +343,7 @@ dependencies = [
  "quote",
  "serde",
  "serde_json",
- "syn",
+ "syn 2.0.119",
  "tempfile",
  "toml 0.9.12+spec-1.1.0",
 ]
@@ -484,7 +484,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -725,7 +725,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -736,7 +736,7 @@ checksum = "fc34b93ccb385b40dc71c6fceac4b2ad23662c7eeb248cf10d529b7e055b6ead"
 dependencies = [
  "darling_core",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -759,7 +759,7 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -779,7 +779,7 @@ checksum = "1e567bd82dcff979e4b03460c307b3cdc9e96fde3d73bed1496d2bc75d9dd62a"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -800,7 +800,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -810,7 +810,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab63b0e2bf4d5928aff72e83a7dace85d7bba5fe12dcc3c5a572d78caffd3f3c"
 dependencies = [
  "derive_builder_core",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -853,7 +853,7 @@ checksum = "1ac70aa55017e108007fbaf5aa0f54b021c98f92ff8af59d42eda9da96e3dd4f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1042,7 +1042,7 @@ checksum = "1a5c6c585bc94aaf2c7b51dd4c2ba22680844aba4c687be581871a6f518c5742"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1115,7 +1115,7 @@ checksum = "e835b70203e41293343137df5c0664546da5745f82ec9b84d40be8336958447b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1228,7 +1228,7 @@ checksum = "6cf442baaabe4213ce7d1239afc26c039180b6456da2cededa316ae2c8a77a77"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1320,7 +1320,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1578,10 +1578,10 @@ dependencies = [
  "env_logger",
  "hyperlight-component-util",
  "itertools 0.15.0",
- "prettyplease",
+ "prettyplease 0.3.0",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 3.0.1",
 ]
 
 [[package]]
@@ -1589,10 +1589,10 @@ name = "hyperlight-component-util"
 version = "0.16.0"
 dependencies = [
  "itertools 0.15.0",
- "prettyplease",
+ "prettyplease 0.3.0",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 3.0.1",
  "tracing",
  "wasmparser 0.253.0",
  "wit-component",
@@ -1645,7 +1645,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -1996,7 +1996,7 @@ checksum = "0666b5ab5ecaca213fc2a85b8c0083d9004e84ee2d5f9a7e0017aaf50986f25f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2189,7 +2189,7 @@ checksum = "32d59e20403c7d08fe62b4376edfe5c7fb2ef1e6b1465379686d0f21c8df444b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2459,7 +2459,7 @@ checksum = "680998035259dcfcafe653688bf2aa6d3e2dc05e98be6ab46afb089dc84f1df8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2812,7 +2812,7 @@ checksum = "c96395f0a926bc13b1c17622aaddda1ecb55d49c8f1bf9777e4d877800a43f8b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -2914,7 +2914,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
 dependencies = [
  "proc-macro2",
- "syn",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "prettyplease"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bfe0f4c752e450fc2faf62654f1c134747922825d5b04ca717b8874f41a40c0"
+dependencies = [
+ "proc-macro2",
+ "syn 3.0.1",
 ]
 
 [[package]]
@@ -2945,7 +2955,7 @@ dependencies = [
  "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3010,7 +3020,7 @@ dependencies = [
  "itertools 0.14.0",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3289,7 +3299,7 @@ dependencies = [
  "quote",
  "rust-embed-utils",
  "shellexpand",
- "syn",
+ "syn 2.0.119",
  "walkdir",
 ]
 
@@ -3403,7 +3413,7 @@ checksum = "ed76efe62313ab6610570951494bdaa81568026e0318eaa55f167de70eeea67d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3439,7 +3449,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3486,7 +3496,7 @@ checksum = "94e153fc76e1c6a068703d6d29c508a0b15c061c4b7e43da59cc097bc342673c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3616,7 +3626,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3630,6 +3640,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5edbec4ed188954a10c12c038215f8ce7606b2d5c973cd8dc43e8795065c5f2f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "sync_wrapper"
 version = "1.0.2"
@@ -3647,7 +3668,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3708,7 +3729,7 @@ checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3765,7 +3786,7 @@ checksum = "385a6cb71ab9ab790c5fe8d67f1645e6c450a7ce006a33de03daa956cf70a496"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -3993,7 +4014,7 @@ checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4296,7 +4317,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
  "wasm-bindgen-shared",
 ]
 
@@ -4460,7 +4481,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4471,7 +4492,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4634,7 +4655,7 @@ checksum = "de844c262c8848816172cef550288e7dc6c7b7814b4ee56b3e1553f275f1858e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
  "synstructure",
 ]
 
@@ -4655,7 +4676,7 @@ checksum = "1ae7f38b72ec2a254e2b87ef277cf2cd4fb97cbebf944faa6f33354da0867930"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
@@ -4675,7 +4696,7 @@ checksum = "11532158c46691caf0f2593ea8358fed6bbf68a0315e80aae9bd41fbade684a1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
  "synstructure",
 ]
 
@@ -4709,7 +4730,7 @@ checksum = "625dc425cab0dca6dc3c3319506e6593dcb08a9f387ea3b284dbd52a92c40555"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.119",
 ]
 
 [[package]]
diff --git a/src/hyperlight_component_macro/Cargo.toml b/src/hyperlight_component_macro/Cargo.toml
index 79509a0e7..07f3baa48 100644
--- a/src/hyperlight_component_macro/Cargo.toml
+++ b/src/hyperlight_component_macro/Cargo.toml
@@ -18,8 +18,8 @@ proc-macro = true
 [dependencies]
 quote = { version = "1.0.45" }
 proc-macro2 = { version = "1.0.106" }
-syn = { version = "2.0.117" }
+syn = { version = "3.0.1" }
 itertools = { version = "0.15.0" }
-prettyplease = { version = "0.2.37" }
+prettyplease = { version = "0.3.0" }
 hyperlight-component-util = { workspace = true }
 env_logger = { version = "0.11.10" }
\ No newline at end of file
diff --git a/src/hyperlight_component_util/Cargo.toml b/src/hyperlight_component_util/Cargo.toml
index 9545f1c3b..f36d115e1 100644
--- a/src/hyperlight_component_util/Cargo.toml
+++ b/src/hyperlight_component_util/Cargo.toml
@@ -20,7 +20,7 @@ wit-component = { version = "0.252.0" }
 wit-parser = { version = "0.252.0" }
 quote = { version = "1.0.45" }
 proc-macro2 = { version = "1.0.106" }
-syn = { version = "2.0.117" }
+syn = { version = "3.0.1", features = ["full"] }
 itertools = { version = "0.15.0" }
-prettyplease = { version = "0.2.37" }
+prettyplease = { version = "0.3.0" }
 tracing = { version = "0.1.44", features = ["log"]}
\ No newline at end of file
diff --git a/src/hyperlight_component_util/src/util.rs b/src/hyperlight_component_util/src/util.rs
index 4b23db88f..0972ee494 100644
--- a/src/hyperlight_component_util/src/util.rs
+++ b/src/hyperlight_component_util/src/util.rs
@@ -121,10 +121,10 @@ pub fn read_wit_type_from_file<R, F: FnMut(String, &etypes::Component) -> R>(
 /// macroexpansion) to the debug file and then return the token stream
 pub fn emit_decls(decls: proc_macro2::TokenStream) -> proc_macro2::TokenStream {
     if let Ok(dbg_out) = std::env::var("HYPERLIGHT_COMPONENT_MACRO_DEBUG") {
-        if let Ok(file) = syn::parse2(decls.clone()) {
+        let decls = decls.to_string();
+        if let Ok(file) = syn::parse_file(&decls) {
             std::fs::write(&dbg_out, prettyplease::unparse(&file)).unwrap();
         } else {
-            let decls = format!("{}", &decls);
             std::fs::write(&dbg_out, &decls).unwrap();
         }
         quote::quote! { include!(#dbg_out); }
diff --git a/src/hyperlight_component_util/tests/wasmtime_guest_codegen.rs b/src/hyperlight_component_util/tests/wasmtime_guest_codegen.rs
index 97b1ac11e..55d92713e 100644
--- a/src/hyperlight_component_util/tests/wasmtime_guest_codegen.rs
+++ b/src/hyperlight_component_util/tests/wasmtime_guest_codegen.rs
@@ -57,7 +57,7 @@ fn wasmtime_guest_codegen_emits_wasmtime_flags_macro() {
             })
         },
     );
-    let generated: syn::File = syn::parse2(generated).expect("generated Rust should parse");
+    let generated = syn::parse_file(&generated.to_string()).expect("generated Rust should parse");
     let generated = prettyplease::unparse(&generated);
 
     assert!(generated.contains("::wasmtime::component::flags! {"));
diff --git a/src/tests/rust_guests/Cargo.lock b/src/tests/rust_guests/Cargo.lock
index 4b489c3e8..5b13f6bce 100644
--- a/src/tests/rust_guests/Cargo.lock
+++ b/src/tests/rust_guests/Cargo.lock
@@ -105,7 +105,7 @@ checksum = "f9abbd1bc6865053c427f7198e6af43bfdedc55ab791faed4fbd361d789575ff"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -140,7 +140,7 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -255,7 +255,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 3.0.1",
 ]
 
 [[package]]
@@ -266,7 +266,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 3.0.1",
  "tracing",
  "wasmparser 0.253.0",
  "wit-component",
@@ -308,7 +308,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -382,7 +382,7 @@ checksum = "0666b5ab5ecaca213fc2a85b8c0083d9004e84ee2d5f9a7e0017aaf50986f25f"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -408,7 +408,7 @@ checksum = "32d59e20403c7d08fe62b4376edfe5c7fb2ef1e6b1465379686d0f21c8df444b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -467,12 +467,12 @@ dependencies = [
 
 [[package]]
 name = "prettyplease"
-version = "0.2.37"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
+checksum = "2bfe0f4c752e450fc2faf62654f1c134747922825d5b04ca717b8874f41a40c0"
 dependencies = [
  "proc-macro2",
- "syn",
+ "syn 3.0.1",
 ]
 
 [[package]]
@@ -503,7 +503,7 @@ dependencies = [
  "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -600,7 +600,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -660,6 +660,17 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "syn"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5edbec4ed188954a10c12c038215f8ce7606b2d5c973cd8dc43e8795065c5f2f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
 [[package]]
 name = "thiserror"
 version = "2.0.18"
@@ -677,7 +688,7 @@ checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -730,7 +741,7 @@ checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.118",
 ]
 
 [[package]]