diff --git a/wasm_apps/assemblyscript/package-lock.json b/wasm_apps/assemblyscript/package-lock.json
index 7e779df..adf35fb 100644
--- a/wasm_apps/assemblyscript/package-lock.json
+++ b/wasm_apps/assemblyscript/package-lock.json
@@ -3,9 +3,9 @@
   "lockfileVersion": 1,
   "dependencies": {
     "assemblyscript": {
-      "version": "0.8.1-nightly.20200120",
-      "resolved": "https://registry.npmjs.org/assemblyscript/-/assemblyscript-0.8.1-nightly.20200120.tgz",
-      "integrity": "sha512-OMGQU2ZfpER7Mmr9Grr4jO5XeNbwPQT4lupnKzrr7DwtwaaYMw6Qf60nLRffdvlkxkzlB9W/PlP7ku3/jFvP4Q==",
+      "version": "0.8.1-nightly.20200123",
+      "resolved": "https://registry.npmjs.org/assemblyscript/-/assemblyscript-0.8.1-nightly.20200123.tgz",
+      "integrity": "sha512-rYNvQWQF8CsiNx8HYUHX9F4KsI69xUuunDY96PPjebTQHoZLjhJ9ow2DaKYJ1Py74+N6QiVwcHzZJC4ECOecAw==",
       "dev": true,
       "requires": {
         "binaryen": "90.0.0-nightly.20200101",
diff --git a/wasm_apps/assemblyscript/package.json b/wasm_apps/assemblyscript/package.json
index 977a2d4..3cf54f1 100644
--- a/wasm_apps/assemblyscript/package.json
+++ b/wasm_apps/assemblyscript/package.json
@@ -5,6 +5,6 @@
     "asbuild:optimized": "npx asc app.ts -b app.wasm -t app.wat -O3z --runtime half --noAssert --use abort="
   },
   "devDependencies": {
-    "assemblyscript": "0.8.1-nightly.20200120"
+    "assemblyscript": "0.8.1-nightly.20200123"
   }
 }
diff --git a/wasm_apps/assemblyscript/yarn.lock b/wasm_apps/assemblyscript/yarn.lock
index 043b055..2a695d2 100644
--- a/wasm_apps/assemblyscript/yarn.lock
+++ b/wasm_apps/assemblyscript/yarn.lock
@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-assemblyscript@^0.8.1-nightly.20200120:
-  version "0.8.1-nightly.20200120"
-  resolved "https://registry.yarnpkg.com/assemblyscript/-/assemblyscript-0.8.1-nightly.20200120.tgz#2edbb934cf328b3e95f9888038a6a36df1048ffc"
-  integrity sha512-OMGQU2ZfpER7Mmr9Grr4jO5XeNbwPQT4lupnKzrr7DwtwaaYMw6Qf60nLRffdvlkxkzlB9W/PlP7ku3/jFvP4Q==
+assemblyscript@^0.8.1-nightly.20200123:
+  version "0.8.1-nightly.20200123"
+  resolved "https://registry.yarnpkg.com/assemblyscript/-/assemblyscript-0.8.1-nightly.20200123.tgz#5440a6f891d6417259339f52484d4dee53ae92b6"
+  integrity sha512-rYNvQWQF8CsiNx8HYUHX9F4KsI69xUuunDY96PPjebTQHoZLjhJ9ow2DaKYJ1Py74+N6QiVwcHzZJC4ECOecAw==
   dependencies:
     binaryen "90.0.0-nightly.20200101"
     long "^4.0.0"