diff --git a/package-lock.json b/package-lock.json
index 3d825f99..7de6cb78 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -9,7 +9,7 @@
             "version": "3.5.0",
             "license": "(MIT OR Apache-2.0)",
             "dependencies": {
-                "@azure/functions": "^3.5.0-alpha.1",
+                "@azure/functions": "^3.5.0-alpha.2",
                 "@grpc/grpc-js": "^1.2.7",
                 "@grpc/proto-loader": "^0.6.4",
                 "blocked-at": "^1.2.0",
@@ -57,11 +57,12 @@
             }
         },
         "node_modules/@azure/functions": {
-            "version": "3.5.0-alpha.1",
-            "resolved": "https://registry.npmjs.org/@azure/functions/-/functions-3.5.0-alpha.1.tgz",
-            "integrity": "sha512-ubNgzisNtqUsOZ2ZcjLKoAG5bt0colb8KMzROYx8llXJnX4gOBqjkLDIPb4ZRF2lmht6+o9VMRHIw0YFk6sVrA==",
+            "version": "3.5.0-alpha.2",
+            "resolved": "https://registry.npmjs.org/@azure/functions/-/functions-3.5.0-alpha.2.tgz",
+            "integrity": "sha512-T/hzHnbyiEck6vNdwzyE2/YygMMmD2l+aZAcRYnTQpd6r4kw03gJI3af3dEfsZtm5lEnTX7jt4nGgkYei6QLww==",
             "dependencies": {
                 "fs-extra": "^10.0.1",
+                "iconv-lite": "^0.6.3",
                 "long": "^4.0.0",
                 "uuid": "^8.3.0"
             }
@@ -2444,6 +2445,17 @@
                 "node": ">=10.17.0"
             }
         },
+        "node_modules/iconv-lite": {
+            "version": "0.6.3",
+            "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+            "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+            "dependencies": {
+                "safer-buffer": ">= 2.1.2 < 3.0.0"
+            },
+            "engines": {
+                "node": ">=0.10.0"
+            }
+        },
         "node_modules/ignore": {
             "version": "5.1.8",
             "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.8.tgz",
@@ -3751,6 +3763,11 @@
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             "dev": true
         },
+        "node_modules/safer-buffer": {
+            "version": "2.1.2",
+            "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+        },
         "node_modules/schema-utils": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-3.1.1.tgz",
@@ -4652,11 +4669,12 @@
     },
     "dependencies": {
         "@azure/functions": {
-            "version": "3.5.0-alpha.1",
-            "resolved": "https://registry.npmjs.org/@azure/functions/-/functions-3.5.0-alpha.1.tgz",
-            "integrity": "sha512-ubNgzisNtqUsOZ2ZcjLKoAG5bt0colb8KMzROYx8llXJnX4gOBqjkLDIPb4ZRF2lmht6+o9VMRHIw0YFk6sVrA==",
+            "version": "3.5.0-alpha.2",
+            "resolved": "https://registry.npmjs.org/@azure/functions/-/functions-3.5.0-alpha.2.tgz",
+            "integrity": "sha512-T/hzHnbyiEck6vNdwzyE2/YygMMmD2l+aZAcRYnTQpd6r4kw03gJI3af3dEfsZtm5lEnTX7jt4nGgkYei6QLww==",
             "requires": {
                 "fs-extra": "^10.0.1",
+                "iconv-lite": "^0.6.3",
                 "long": "^4.0.0",
                 "uuid": "^8.3.0"
             }
@@ -6469,6 +6487,14 @@
             "integrity": "sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==",
             "dev": true
         },
+        "iconv-lite": {
+            "version": "0.6.3",
+            "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+            "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+            "requires": {
+                "safer-buffer": ">= 2.1.2 < 3.0.0"
+            }
+        },
         "ignore": {
             "version": "5.1.8",
             "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.1.8.tgz",
@@ -7445,6 +7471,11 @@
             "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
             "dev": true
         },
+        "safer-buffer": {
+            "version": "2.1.2",
+            "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+            "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
+        },
         "schema-utils": {
             "version": "3.1.1",
             "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-3.1.1.tgz",
diff --git a/package.json b/package.json
index 75535c32..79440295 100644
--- a/package.json
+++ b/package.json
@@ -5,7 +5,7 @@
     "description": "Microsoft Azure Functions NodeJS Worker",
     "license": "(MIT OR Apache-2.0)",
     "dependencies": {
-        "@azure/functions": "^3.5.0-alpha.1",
+        "@azure/functions": "^3.5.0-alpha.2",
         "@grpc/grpc-js": "^1.2.7",
         "@grpc/proto-loader": "^0.6.4",
         "blocked-at": "^1.2.0",
diff --git a/src/eventHandlers/WorkerInitHandler.ts b/src/eventHandlers/WorkerInitHandler.ts
index 4f8e5fac..6dbcac8d 100644
--- a/src/eventHandlers/WorkerInitHandler.ts
+++ b/src/eventHandlers/WorkerInitHandler.ts
@@ -48,6 +48,7 @@ export class WorkerInitHandler extends EventHandler<'workerInitRequest', 'worker
         }
 
         response.capabilities = {
+            RawHttpBodyBytes: 'true',
             RpcHttpTriggerMetadataRemoved: 'true',
             RpcHttpBodyOnly: 'true',
             IgnoreEmptyValuedRpcHttpHeaders: 'true',
diff --git a/test/eventHandlers/WorkerInitHandler.test.ts b/test/eventHandlers/WorkerInitHandler.test.ts
index b0716341..cbae0aa2 100644
--- a/test/eventHandlers/WorkerInitHandler.test.ts
+++ b/test/eventHandlers/WorkerInitHandler.test.ts
@@ -38,6 +38,7 @@ export namespace Msg {
             requestId: 'id',
             workerInitResponse: {
                 capabilities: {
+                    RawHttpBodyBytes: 'true',
                     RpcHttpBodyOnly: 'true',
                     RpcHttpTriggerMetadataRemoved: 'true',
                     IgnoreEmptyValuedRpcHttpHeaders: 'true',