diff --git a/plugins/as/hmplugin1/assembly/index.ts b/plugins/as/hmplugin1/assembly/index.ts
index d5fc5ccdd..af31bec84 100644
--- a/plugins/as/hmplugin1/assembly/index.ts
+++ b/plugins/as/hmplugin1/assembly/index.ts
@@ -58,6 +58,8 @@ export function queryPeople2(): string {
   const resp = JSON.parse<PeopleGQLResponse>(results);
   const people = resp.data.people;
   const duration = resp.extensions!.tracing.duration / 1000000.0;
+  console.log(`Start: ${resp.extensions!.tracing.startTime.toISOString()}`);
+  console.log(`End: ${resp.extensions!.tracing.endTime.toISOString()}`);
   console.log(`Duration: ${duration}ms`);
   return JSON.stringify(people);
 }
diff --git a/plugins/as/hmplugin1/package-lock.json b/plugins/as/hmplugin1/package-lock.json
index ba862ea9a..4d74f4b57 100644
--- a/plugins/as/hmplugin1/package-lock.json
+++ b/plugins/as/hmplugin1/package-lock.json
@@ -10,11 +10,11 @@
       "license": "MIT",
       "dependencies": {
         "hypermode-as": "file:../hypermode-as",
-        "json-as": "^0.5.67"
+        "json-as": "^0.6.3"
       },
       "devDependencies": {
         "@assemblyscript/wasi-shim": "^0.1.0",
-        "assemblyscript": "^0.27.18",
+        "assemblyscript": "^0.27.20",
         "visitor-as": "^0.11.4"
       }
     },
@@ -22,10 +22,10 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "json-as": "^0.5.67"
+        "json-as": "^0.6.3"
       },
       "devDependencies": {
-        "assemblyscript": "^0.27.18",
+        "assemblyscript": "^0.27.20",
         "visitor-as": "^0.11.4"
       }
     },
@@ -55,9 +55,9 @@
       "integrity": "sha512-R1nR7TT0KcROL/TxSXmiX2Q+7CgUMrjT/y9IP07StStqWs32KT2mpadJNF//yHWRaIJWe6atqTqO0JzsdhkPcQ=="
     },
     "node_modules/assemblyscript": {
-      "version": "0.27.18",
-      "resolved": "https://registry.npmjs.org/assemblyscript/-/assemblyscript-0.27.18.tgz",
-      "integrity": "sha512-6iFydCwO5H1oLWuGlC5bOZB+kHe/NdbTkXarbFi99UWJh77mX7yDpxGulc6Fbi8cNxU63yiv/HWON8pA7OWQ8g==",
+      "version": "0.27.20",
+      "resolved": "https://registry.npmjs.org/assemblyscript/-/assemblyscript-0.27.20.tgz",
+      "integrity": "sha512-QEVReXXz6jTIqIQBbHUFVj7jYzh3M/pKi4fAv/38iH949mxvMPdD4+BVXdmYYJqVcyhQ4yrszIurDm9K+HHD1g==",
       "dev": true,
       "dependencies": {
         "binaryen": "116.0.0-nightly.20231102",
@@ -91,9 +91,9 @@
       "link": true
     },
     "node_modules/json-as": {
-      "version": "0.5.67",
-      "resolved": "https://registry.npmjs.org/json-as/-/json-as-0.5.67.tgz",
-      "integrity": "sha512-DLIoK/JHUFYp9sn8XQ/Q2sM1b3dstt7XF/WTpwHI/6XUVuone7uIRKdiIxYWJcIPK1SinQsGg9MSLMBdUW2HlQ==",
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/json-as/-/json-as-0.6.3.tgz",
+      "integrity": "sha512-vtjG9xfFkjIa+zLQq8OjEbdYK63F0ijSa3/jwiq7dMS7xbF9O0bXqgqSl5Jxu2XEmk4S8WX3G1OD80/A8fB/dQ==",
       "dependencies": {
         "as-string-sink": "^0.5.3",
         "as-variant": "^0.4.1",
diff --git a/plugins/as/hmplugin1/package.json b/plugins/as/hmplugin1/package.json
index ad6cc37f1..67588bd8d 100644
--- a/plugins/as/hmplugin1/package.json
+++ b/plugins/as/hmplugin1/package.json
@@ -12,11 +12,11 @@
   },
   "dependencies": {
     "hypermode-as": "file:../hypermode-as",
-    "json-as": "^0.5.67"
+    "json-as": "^0.6.3"
   },
   "devDependencies": {
     "@assemblyscript/wasi-shim": "^0.1.0",
-    "assemblyscript": "^0.27.18",
+    "assemblyscript": "^0.27.20",
     "visitor-as": "^0.11.4"
   },
   "overrides": {
diff --git a/plugins/as/hypermode-as/assembly/index.ts b/plugins/as/hypermode-as/assembly/index.ts
index cfabc5778..b1badfbb7 100644
--- a/plugins/as/hypermode-as/assembly/index.ts
+++ b/plugins/as/hypermode-as/assembly/index.ts
@@ -12,15 +12,12 @@ export class GQLExtensions {
     tracing!: GQLTracing;
 }
 
-// TODO: Use Date instead of string when this is fixed:
-// https://github.com/JairusSW/as-json/issues/54
-
 // @ts-ignore
 @json
 class GQLTracing {
     version!: u32;
-    startTime!: string; // Date
-    endTime!: string;  // Date
+    startTime!: Date
+    endTime!: Date
     duration!: u32;
     execution: GQLExecution | null = null;
 }
diff --git a/plugins/as/hypermode-as/package-lock.json b/plugins/as/hypermode-as/package-lock.json
index 5e7776f93..caa6469af 100644
--- a/plugins/as/hypermode-as/package-lock.json
+++ b/plugins/as/hypermode-as/package-lock.json
@@ -9,10 +9,10 @@
       "version": "0.1.0",
       "license": "MIT",
       "dependencies": {
-        "json-as": "^0.5.67"
+        "json-as": "^0.6.3"
       },
       "devDependencies": {
-        "assemblyscript": "^0.27.18",
+        "assemblyscript": "^0.27.20",
         "visitor-as": "^0.11.4"
       }
     },
@@ -32,9 +32,9 @@
       "integrity": "sha512-R1nR7TT0KcROL/TxSXmiX2Q+7CgUMrjT/y9IP07StStqWs32KT2mpadJNF//yHWRaIJWe6atqTqO0JzsdhkPcQ=="
     },
     "node_modules/assemblyscript": {
-      "version": "0.27.18",
-      "resolved": "https://registry.npmjs.org/assemblyscript/-/assemblyscript-0.27.18.tgz",
-      "integrity": "sha512-6iFydCwO5H1oLWuGlC5bOZB+kHe/NdbTkXarbFi99UWJh77mX7yDpxGulc6Fbi8cNxU63yiv/HWON8pA7OWQ8g==",
+      "version": "0.27.20",
+      "resolved": "https://registry.npmjs.org/assemblyscript/-/assemblyscript-0.27.20.tgz",
+      "integrity": "sha512-QEVReXXz6jTIqIQBbHUFVj7jYzh3M/pKi4fAv/38iH949mxvMPdD4+BVXdmYYJqVcyhQ4yrszIurDm9K+HHD1g==",
       "dev": true,
       "dependencies": {
         "binaryen": "116.0.0-nightly.20231102",
@@ -64,9 +64,9 @@
       }
     },
     "node_modules/json-as": {
-      "version": "0.5.67",
-      "resolved": "https://registry.npmjs.org/json-as/-/json-as-0.5.67.tgz",
-      "integrity": "sha512-DLIoK/JHUFYp9sn8XQ/Q2sM1b3dstt7XF/WTpwHI/6XUVuone7uIRKdiIxYWJcIPK1SinQsGg9MSLMBdUW2HlQ==",
+      "version": "0.6.3",
+      "resolved": "https://registry.npmjs.org/json-as/-/json-as-0.6.3.tgz",
+      "integrity": "sha512-vtjG9xfFkjIa+zLQq8OjEbdYK63F0ijSa3/jwiq7dMS7xbF9O0bXqgqSl5Jxu2XEmk4S8WX3G1OD80/A8fB/dQ==",
       "dependencies": {
         "as-string-sink": "^0.5.3",
         "as-variant": "^0.4.1",
diff --git a/plugins/as/hypermode-as/package.json b/plugins/as/hypermode-as/package.json
index 54a07120c..67c9448d7 100644
--- a/plugins/as/hypermode-as/package.json
+++ b/plugins/as/hypermode-as/package.json
@@ -6,10 +6,10 @@
   "license": "MIT",
   "type": "module",
   "dependencies": {
-    "json-as": "^0.5.67"
+    "json-as": "^0.6.3"
   },
   "devDependencies": {
-    "assemblyscript": "^0.27.18",
+    "assemblyscript": "^0.27.20",
     "visitor-as": "^0.11.4"
   },
   "overrides": {