diff --git a/readme.md b/readme.md
index 60d74af..e1debd3 100644
--- a/readme.md
+++ b/readme.md
@@ -83,7 +83,7 @@ parse(`(func (export "double") (param f64) (result f64) (f64.mul (local.get 0) (
 * [x] wasm core
 * [x] [multi-value](https://github.com/WebAssembly/spec/blob/master/proposals/multi-value/Overview.md)
 * [x] [bulk memory ops](https://github.com/WebAssembly/bulk-memory-operations/blob/master/proposals/bulk-memory-operations/Overview.md)
-* [~] [simd](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md)
+* [x] [simd](https://github.com/WebAssembly/simd/blob/master/proposals/simd/SIMD.md)
 * [ ] [multiple memories](https://github.com/WebAssembly/multi-memory/blob/master/proposals/multi-memory/Overview.md)
 * [ ] [func refs](https://github.com/WebAssembly/function-references/blob/main/proposals/function-references/Overview.md)
 * [ ] [gc](https://github.com/WebAssembly/gc)
diff --git a/todo.md b/todo.md
index 725132e..02d0d40 100644
--- a/todo.md
+++ b/todo.md
@@ -19,7 +19,7 @@
 * [x] Refactor for flat instructions: consume into stack, rather than fixed signatures
 * [x] Multiple results: block, if, loop, func
 * [x] Multiple params
-* [ ] SIMD
+* [x] SIMD
 * [ ] nan:value
 * [ ] bench wassemble
 * [ ] Tests: https://github.com/EmNudge/watlings