diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index fc0b8d82..cac17f71 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -33,7 +33,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v1
         with:
-          deno-version: v2.1.9
+          deno-version: v2.2.0
 
       - name: Run bundle build
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6c9ee897..287fe939 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.1
+          deno-version: v2.2
       - name: Run build
         run: deno task build
       - name: Bundle
diff --git a/.github/workflows/server.yml b/.github/workflows/server.yml
index e1756193..39997055 100644
--- a/.github/workflows/server.yml
+++ b/.github/workflows/server.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.1
+          deno-version: v2.2
 
       - name: Build bundles
         run: |
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d1633494..a6824d36 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Setup Deno
         uses: denoland/setup-deno@v2
         with:
-          deno-version: v2.1
+          deno-version: v2.2
 
       - name: Run build
         run: deno task build
diff --git a/.gitpod.Dockerfile b/.gitpod.Dockerfile
index 96834ad4..5c5836ae 100644
--- a/.gitpod.Dockerfile
+++ b/.gitpod.Dockerfile
@@ -1,6 +1,6 @@
 FROM gitpod/workspace-full:latest
 
-RUN curl -fsSL https://deno.land/x/install/install.sh | sh -s v2.1.9
+RUN curl -fsSL https://deno.land/x/install/install.sh | sh -s v2.2.0
 RUN /home/gitpod/.deno/bin/deno completions bash > /home/gitpod/.bashrc.d/90-deno && \
     echo 'export DENO_INSTALL="/home/gitpod/.deno"' >> /home/gitpod/.bashrc.d/90-deno && \
     echo 'export PATH="$DENO_INSTALL/bin:$PATH"' >> /home/gitpod/.bashrc.d/90-deno
diff --git a/Dockerfile b/Dockerfile
index dbe77471..7beb2c6d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM denoland/deno:debian-2.1.9
+FROM denoland/deno:debian-2.2.0
 
 # The volume that will keep the space data
 
diff --git a/server/http_server.ts b/server/http_server.ts
index 592ba068..51536e5a 100644
--- a/server/http_server.ts
+++ b/server/http_server.ts
@@ -225,7 +225,7 @@ export class HttpServer {
         if (typeof response.body === "string") {
           return ctx.text(response.body);
         } else if (response.body instanceof Uint8Array) {
-          return ctx.body(response.body);
+          return ctx.body(response.body.buffer as ArrayBuffer);
         } else {
           return ctx.json(response.body);
         }
@@ -268,7 +268,7 @@ export class HttpServer {
         }
         c.status(200);
         c.header("Content-type", this.clientAssetBundle.getMimeType(assetName));
-        let data: Uint8Array | string = this.clientAssetBundle.readFileSync(
+        let data = this.clientAssetBundle.readFileSync(
           assetName,
         );
         c.header("Content-length", "" + data.length);
@@ -286,7 +286,7 @@ export class HttpServer {
             // console.log(
             //   "Swapping out config hash in service worker",
             // );
-            data = textData.replaceAll(
+            return Promise.resolve(c.body(textData.replaceAll(
               "{{CONFIG_HASH}}",
               base64Encode(
                 JSON.stringify([
@@ -295,9 +295,10 @@ export class HttpServer {
                   this.spaceServer.enableSpaceScript,
                 ]),
               ),
-            );
+            )));
+          } else {
+            return Promise.resolve(c.body(new Uint8Array(data).buffer));
           }
-          return Promise.resolve(c.body(data));
         } // else e.g. HEAD, OPTIONS, don't send body
       } catch {
         return next();
@@ -632,7 +633,7 @@ export class HttpServer {
         ) {
           return c.body(null, 304);
         }
-        return c.body(fileData.data, 200, {
+        return c.body(new Uint8Array(fileData.data).buffer, 200, {
           ...this.fileMetaToHeaders(fileData.meta),
           "Last-Modified": lastModifiedHeader,
         });