diff --git a/package-lock.json b/package-lock.json
index e0b2000..61785a3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -591,24 +591,17 @@
       "dev": true
     },
     "assemblyscript": {
-      "version": "github:AssemblyScript/assemblyscript#6ed45bee98e8b644b87d50b40983414351f62311",
-      "from": "github:AssemblyScript/assemblyscript",
+      "version": "github:nearprotocol/assemblyscript#9a12f41fdb72305e4d55b83563cec1b1308d81f0",
+      "from": "github:nearprotocol/assemblyscript",
       "dev": true,
       "requires": {
         "@protobufjs/utf8": "^1.1.0",
-        "binaryen": "72.0.0-nightly.20190308",
+        "binaryen": "69.0.0-nightly.20190228",
         "glob": "^7.1.3",
         "long": "^4.0.0",
-        "opencollective-postinstall": "^2.0.0",
         "source-map-support": "^0.5.10"
       },
       "dependencies": {
-        "binaryen": {
-          "version": "72.0.0-nightly.20190308",
-          "resolved": "https://registry.npmjs.org/binaryen/-/binaryen-72.0.0-nightly.20190308.tgz",
-          "integrity": "sha512-aUa9Hc3rfvG/9GwUQBuxx1ApBZIOLSEv81nBgQ5ldq+yANenHO7Ml7m3bUrBbDLhIPX2+a26jei4+lLd7CGlJA==",
-          "dev": true
-        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -616,9 +609,9 @@
           "dev": true
         },
         "source-map-support": {
-          "version": "0.5.11",
-          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.11.tgz",
-          "integrity": "sha512-//sajEx/fGL3iw6fltKMdPvy8kL3kJ2O3iuYlRoT3k9Kb4BjOoZ+BZzaNHeuaruSt+Kf3Zk9tnfAQg9/AJqUVQ==",
+          "version": "0.5.12",
+          "resolved": "https://registry.npmjs.org/source-map-support/-/source-map-support-0.5.12.tgz",
+          "integrity": "sha512-4h2Pbvyy15EE02G+JOZpUCmqWJuqrs+sEkzewTm++BPi7Hvn/HwcqLAcNxYAyI0x13CpPPn+kMjl+hplXMHITQ==",
           "dev": true,
           "requires": {
             "buffer-from": "^1.0.0",
@@ -825,6 +818,12 @@
       "integrity": "sha512-DYWGk01lDcxeS/K9IHPGWfT8PsJmbXRtRd2Sx72Tnb8pcYZQFF1oSDb8hJtS1vhp212q1Rzi5dUf9+nq0o9UIg==",
       "dev": true
     },
+    "binaryen": {
+      "version": "69.0.0-nightly.20190228",
+      "resolved": "https://registry.npmjs.org/binaryen/-/binaryen-69.0.0-nightly.20190228.tgz",
+      "integrity": "sha512-rF3UuWKyYc0+PX+HteNKB3rl5FIcwIfmCldFp2PShJ9lwUvTLqvMaGfco6/QhFSP0Q0iLdHxBFDn9LHief8FPg==",
+      "dev": true
+    },
     "bluebird": {
       "version": "3.5.3",
       "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
@@ -3360,12 +3359,6 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "opencollective-postinstall": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/opencollective-postinstall/-/opencollective-postinstall-2.0.2.tgz",
-      "integrity": "sha512-pVOEP16TrAO2/fjej1IdOyupJY8KDUM1CvsaScRbw6oddvpQoOfGk4ywha0HKKVAD6RkW4x6Q+tNBwhf3Bgpuw==",
-      "dev": true
-    },
     "optimist": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
diff --git a/package.json b/package.json
index 9ad1cc2..c79dc07 100644
--- a/package.json
+++ b/package.json
@@ -3,17 +3,17 @@
   "version": "0.0.2",
   "types": "assembly/index.ts",
   "scripts": {
-    "asbuild:untouched": "npx asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --sourceMap --validate --debug",
-    "asbuild:optimized": "npx asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat --sourceMap --validate --optimize",
+    "asbuild:untouched": "asc assembly/index.ts -b build/untouched.wasm -t build/untouched.wat --sourceMap --validate --debug",
+    "asbuild:optimized": "asc assembly/index.ts -b build/optimized.wasm -t build/optimized.wat --sourceMap --validate --optimize",
     "asbuild": "npm run asbuild:untouched && npm run asbuild:optimized",
     "asbuild:test": "npm run asbuild:test:roundtrip",
-    "asbuild:test:roundtrip": "npx asc tests/assembly/roundtrip.spec.as.ts -b tests/build/roundtrip.wasm -t tests/build/roundtrip.wat --validate --sourceMap --importMemory --debug",
+    "asbuild:test:roundtrip": "asc tests/assembly/roundtrip.spec.as.ts -b tests/build/roundtrip.wasm -t tests/build/roundtrip.wat --validate --sourceMap --importMemory --debug",
     "test": "npm run asbuild:test && ava -v --serial",
     "test:ci": "npm run asbuild:test && ava --fail-fast --serial"
   },
   "devDependencies": {
     "@types/node": "^10.12.3",
-    "assemblyscript": "AssemblyScript/assemblyscript",
+    "assemblyscript": "nearprotocol/assemblyscript",
     "ava": "1.0.0-rc.1",
     "ts-node": "^7.0.1",
     "typedoc": "^0.13.0",