diff --git a/deno.json b/deno.json
index 28e8ea6c3c..561c910ed5 100644
--- a/deno.json
+++ b/deno.json
@@ -6,5 +6,6 @@
   },
   "imports": {
     "@netlify/edge-functions": "https://edge.netlify.com/v1/index.ts"
-  }
+  },
+  "importMap": "./edge-runtime/vendor/import_map.json"
 }
diff --git a/edge-runtime/lib/middleware.ts b/edge-runtime/lib/middleware.ts
index 46bbef6888..2ae25c1d34 100644
--- a/edge-runtime/lib/middleware.ts
+++ b/edge-runtime/lib/middleware.ts
@@ -1,6 +1,6 @@
 import type { Context } from '@netlify/edge-functions'
 
-import { ElementHandlers } from '../vendor/deno.land/x/html_rewriter@v0.1.0-pre.17/index.ts'
+import type { ElementHandlers } from '../vendor/deno.land/x/htmlrewriter@v1.0.0/src/index.ts'
 
 type NextDataTransform = <T>(data: T) => T
 
diff --git a/edge-runtime/lib/response.ts b/edge-runtime/lib/response.ts
index 3fd82c5ab0..b09ea896a9 100644
--- a/edge-runtime/lib/response.ts
+++ b/edge-runtime/lib/response.ts
@@ -1,5 +1,9 @@
 import type { Context } from '@netlify/edge-functions'
-import { HTMLRewriter } from '../vendor/deno.land/x/html_rewriter@v0.1.0-pre.17/index.ts'
+import {
+  HTMLRewriter,
+  init,
+  type TextChunk,
+} from '../vendor/deno.land/x/htmlrewriter@v1.0.0/src/index.ts'
 
 import { updateModifiedHeaders } from './headers.ts'
 import type { StructuredLogger } from './logging.ts'
@@ -13,6 +17,8 @@ import {
   relativizeURL,
 } from './util.ts'
 
+await init()
+
 export interface FetchEventResult {
   response: Response
   waitUntil: Promise<any>
@@ -79,7 +85,7 @@ export const buildResponse = async ({
 
     if (response.dataTransforms.length > 0) {
       rewriter.on('script[id="__NEXT_DATA__"]', {
-        text(textChunk) {
+        text(textChunk: TextChunk) {
           // Grab all the chunks in the Next data script tag
           buffer += textChunk.text
           if (textChunk.lastInTextNode) {
diff --git a/edge-runtime/vendor.ts b/edge-runtime/vendor.ts
index e8c6720d4d..df153912c3 100644
--- a/edge-runtime/vendor.ts
+++ b/edge-runtime/vendor.ts
@@ -12,6 +12,6 @@ import 'https://deno.land/std@0.175.0/node/util.ts'
 import 'https://deno.land/std@0.175.0/path/mod.ts'
 
 import 'https://deno.land/x/path_to_regexp@v6.2.1/index.ts'
-import 'https://deno.land/x/html_rewriter@v0.1.0-pre.17/index.ts'
+import 'https://deno.land/x/htmlrewriter@v1.0.0/src/index.ts'
 
 import 'https://v1-7-0--edge-utils.netlify.app/logger/mod.ts'