diff --git a/guide/src/assets/index.md b/guide/src/assets/index.md
index 1ca3bf55..0a6d837f 100644
--- a/guide/src/assets/index.md
+++ b/guide/src/assets/index.md
@@ -25,6 +25,7 @@ This will typically look like: `<link data-trunk rel="{type}" href="{path}" ..ot
 - `data-cargo-all-features`: (optional) Enables all Cargo features.
     - Neither compatible with `data-cargo-features` nor `data-cargo-no-default-features`.
 - `data-wasm-opt`: (optional) run wasm-opt with the set optimization level. The possible values are `0`, `1`, `2`, `3`, `4`, `s`, `z` or an _empty value_ for wasm-opt's default. Set this option to `0` to disable wasm-opt explicitly. The values `1-4` are increasingly stronger optimization levels for speed. `s` and `z` (z means more optimization) optimize for binary size instead. Only used in `--release` mode.
+- `data-wasm-opt-params`: (optional) run wasm-opt with the additional params. Only used in `--release` mode.
 - `data-keep-debug`: (optional) instruct `wasm-bindgen` to preserve debug info in the final WASM output, even for `--release` mode. This may conflict with the use of wasm-opt, so to be sure, it is recommended to set `data-wasm-opt="0"` when using this option.
 - `data-no-demangle`: (optional) instruct `wasm-bindgen` to not demangle Rust symbol names.
 - `data-reference-types`: (optional) instruct `wasm-bindgen` to enable [reference types](https://rustwasm.github.io/docs/wasm-bindgen/reference/reference-types.html).
diff --git a/site/content/assets.md b/site/content/assets.md
index d86b9d4e..d7b32867 100644
--- a/site/content/assets.md
+++ b/site/content/assets.md
@@ -29,6 +29,7 @@ This will typically look like: `<link data-trunk rel="{type}" href="{path}" ..ot
   - `data-cargo-all-features`: (optional) Enables all Cargo features.
     - Neither compatible with `data-cargo-features` nor `data-cargo-no-default-features`.
   - `data-wasm-opt`: (optional) run wasm-opt with the set optimization level. The possible values are `0`, `1`, `2`, `3`, `4`, `s`, `z` or an _empty value_ for wasm-opt's default. Set this option to `0` to disable wasm-opt explicitly. The values `1-4` are increasingly stronger optimization levels for speed. `s` and `z` (z means more optimization) optimize for binary size instead. Only used in `--release` mode.
+  - `data-wasm-opt-params`: (optional) run wasm-opt with the additional params. Only used in `--release` mode.
   - `data-keep-debug`: (optional) instruct `wasm-bindgen` to preserve debug info in the final WASM output, even for `--release` mode. This may conflict with the use of wasm-opt, so to be sure, it is recommended to set `data-wasm-opt="0"` when using this option.
   - `data-no-demangle`: (optional) instruct `wasm-bindgen` to not demangle Rust symbol names.
   - `data-reference-types`: (optional) instruct `wasm-bindgen` to enable [reference types](https://rustwasm.github.io/docs/wasm-bindgen/reference/reference-types.html).
diff --git a/src/pipelines/rust/mod.rs b/src/pipelines/rust/mod.rs
index 3224f5ad..6c88c712 100644
--- a/src/pipelines/rust/mod.rs
+++ b/src/pipelines/rust/mod.rs
@@ -78,6 +78,8 @@ pub struct RustApp {
     /// An optional optimization setting that enables wasm-opt. Can be nothing, `0` (default), `1`,
     /// `2`, `3`, `4`, `s or `z`. Using `0` disables wasm-opt completely.
     wasm_opt: WasmOptLevel,
+    /// An optional optimization command line params to wasm-opt if it is enabled.
+    wasm_opt_params: Vec<String>,
     /// The value of the `--target` flag for wasm-bindgen.
     wasm_bindgen_target: WasmBindgenTarget,
     /// Name for the module. Is binary name if given, otherwise it is the name of the cargo
@@ -169,6 +171,12 @@ impl RustApp {
                     WasmOptLevel::Off
                 }
             });
+        let wasm_opt_params = attrs
+            .get("data-wasm-opt-params")
+            .iter()
+            .flat_map(|val| val.split_whitespace())
+            .map(|val| val.to_string())
+            .collect();
         let wasm_bindgen_target = attrs
             .get("data-bindgen-target")
             .map(|s| s.parse())
@@ -282,6 +290,7 @@ impl RustApp {
             reference_types,
             weak_refs,
             wasm_opt,
+            wasm_opt_params,
             wasm_bindgen_target,
             app_type,
             name,
@@ -331,6 +340,7 @@ impl RustApp {
             reference_types: false,
             weak_refs: false,
             wasm_opt: WasmOptLevel::Off,
+            wasm_opt_params: Default::default(),
             app_type: RustAppType::Main,
             wasm_bindgen_target: WasmBindgenTarget::Web,
             name,
@@ -890,6 +900,7 @@ impl RustApp {
         let output = output.join(format!("{}_bg.wasm", self.name));
         let arg_output = format!("--output={output}");
         let arg_opt_level = format!("-O{}", self.wasm_opt.as_ref());
+        let arg_opt_params = self.wasm_opt_params.as_slice();
         let target_wasm = self
             .cfg
             .staging_dist
@@ -902,6 +913,8 @@ impl RustApp {
             args.push("--enable-reference-types");
         }
 
+        args.extend(arg_opt_params.iter().map(|s| s.as_str()));
+
         // Invoke wasm-opt.
         tracing::debug!("calling wasm-opt");
         common::run_command(wasm_opt_name, &wasm_opt, &args, &self.cfg.working_directory)