diff --git a/build/.gitignore b/build/.gitignore
index 22b2ed2..6dcd296 100644
--- a/build/.gitignore
+++ b/build/.gitignore
@@ -1,3 +1,2 @@
-*.wasm
 *.wasm.map
 *.asm.js
diff --git a/build/optimized.wasm b/build/optimized.wasm
new file mode 100644
index 0000000..ab5daf3
Binary files /dev/null and b/build/optimized.wasm differ
diff --git a/build/untouched.wasm b/build/untouched.wasm
new file mode 100644
index 0000000..1aeabed
Binary files /dev/null and b/build/untouched.wasm differ
diff --git a/package.json b/package.json
index 51f59aa..9968610 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@chainsafe/as-sha256",
-    "version": "0.1.1",
+    "version": "0.1.2",
     "description": "An AssemblyScript implementation of SHA256",
     "author": "ChainSafe Systems",
     "license": "LGPL-3.0",
@@ -14,6 +14,10 @@
     },
     "main": "lib/index.js",
     "types": "lib/index.d.js",
+    "files": [
+        "lib",
+        "build"
+    ],
     "scripts": {
         "prebuild": "rm -rf ./dist",
         "prepublish": "yarn build",