diff --git a/deno.lock b/deno.lock
index ea912b390..8e29f4878 100644
--- a/deno.lock
+++ b/deno.lock
@@ -98,7 +98,8 @@
     "https://deno.land/x/wasmbuild@0.14.1/cache.ts": "89eea5f3ce6035a1164b3e655c95f21300498920575ade23161421f5b01967f4",
     "https://deno.land/x/wasmbuild@0.14.1/loader.ts": "d98d195a715f823151cbc8baa3f32127337628379a02d9eb2a3c5902dbccfc02",
     "https://deno.land/x/wasmbuild@0.15.1/cache.ts": "9d01b5cb24e7f2a942bbd8d14b093751fa690a6cde8e21709ddc97667e6669ed",
-    "https://deno.land/x/wasmbuild@0.15.1/loader.ts": "8c2fc10e21678e42f84c5135d8ab6ab7dc92424c3f05d2354896a29ccfd02a63"
+    "https://deno.land/x/wasmbuild@0.15.1/loader.ts": "8c2fc10e21678e42f84c5135d8ab6ab7dc92424c3f05d2354896a29ccfd02a63",
+    "https://jsr.io/@std/assert/meta.json": "ffc9b07e17b178b7d1e3ff75540461c8179041e6113c56a6918c67f88808b302"
   },
   "workspace": {
     "dependencies": [
diff --git a/scripts/emscripten.cross b/scripts/emscripten.cross
index cd6e8e96d..4289e590e 100644
--- a/scripts/emscripten.cross
+++ b/scripts/emscripten.cross
@@ -4,7 +4,7 @@ cpp = 'em++'
 ar = 'emar'
 ranlib = 'emranlib'
 strip = 'llvm-strip'
-pkgconfig = 'em-pkg-config'
+pkg-config = 'em-pkg-config'
 
 [built-in options]
 c_args = []
diff --git a/wasm/meson.build b/wasm/meson.build
index 4e7275a4b..cc00c5a7f 100644
--- a/wasm/meson.build
+++ b/wasm/meson.build
@@ -17,6 +17,7 @@ main_link_args = [
   '-sNO_FILESYSTEM=1',
   '-sEXPORTED_RUNTIME_METHODS=["cwrap","ccall","UTF8ToString","getValue","setValue","HEAPU8","HEAP32","HEAPU32"]',
   '-sEXPORTED_FUNCTIONS=["_malloc","_free"]',
+  '-msimd128',
   '-O3','-flto',
 ]
 
@@ -31,7 +32,7 @@ executable('zlib-main',
 
 side_link_args = [
   '-sSIDE_MODULE=2',
-  '-fPIC','-O3','-flto',
+  '-fPIC','-msimd128','-O3','-flto',
 ]
 
 shared_module('zlib-side',