diff --git a/example/deps.ts b/example/deps.ts
index 975e5890..63357ab9 100644
--- a/example/deps.ts
+++ b/example/deps.ts
@@ -1,11 +1,7 @@
-// FIXME there are no releases of dynamodb atm.
-// export { createClient, Doc, DynamoDBClient } from "https://deno.land/x/dynamodb/mod.ts";
-// We require a patched version of dynamodb to support temporary session tokens:
-// https://github.com/chiefbiiko/dynamodb/pull/3
 export {
   createClient,
   Doc,
   DynamoDBClient
-} from "https://raw.githubusercontent.com/hayd/dynamodb/782f64ce64e7c83f964970c7eeacba0d5c9dfb91/mod.ts";
+} from "https://deno.land/x/dynamodb@v0.2.0/mod.ts";
 
-export { v4 as uuid } from "https://deno.land/std@v0.27.0/uuid/mod.ts";
+export { v4 as uuid } from "https://deno.land/std@v0.28.1/uuid/mod.ts";
diff --git a/example/test.ts b/example/test.ts
index b0c1c34f..c49ec11a 100644
--- a/example/test.ts
+++ b/example/test.ts
@@ -4,11 +4,11 @@
 // You must also pass a access key/secret environment variables, but these don't have to be real e.g.
 // AWS_ACCESS_KEY_ID=fakeMyKeyId AWS_SECRET_ACCESS_KEY=fakeSecretAccessKey deno --allow-env --allow-net test.ts
 
-import { runIfMain } from "https://deno.land/std@v0.27.0/testing/mod.ts";
+import { runIfMain } from "https://deno.land/std@v0.28.1/testing/mod.ts";
 import {
   assert,
   assertEquals
-} from "https://deno.land/std@v0.27.0/testing/asserts.ts";
+} from "https://deno.land/std@v0.28.1/testing/asserts.ts";
 
 import { client } from "./client.ts";
 import { test } from "./test_util.ts";
diff --git a/example/test_util.ts b/example/test_util.ts
index 05181e37..bd332561 100644
--- a/example/test_util.ts
+++ b/example/test_util.ts
@@ -1,7 +1,7 @@
 import {
   TestDefinition,
   test as stdTest
-} from "https://deno.land/std@v0.27.0/testing/mod.ts";
+} from "https://deno.land/std@v0.28.1/testing/mod.ts";
 
 import { client } from "./client.ts";
 import { TableName } from "./api/candidate.ts";
diff --git a/tests/Dockerfile b/tests/Dockerfile
index 7cc2dcfd..3d2545f9 100644
--- a/tests/Dockerfile
+++ b/tests/Dockerfile
@@ -1,6 +1,6 @@
 # Note: This must be built in the .. context
 
-FROM hayd/deno:amazonlinux1-0.27.0
+FROM hayd/deno:amazonlinux1-0.28.1
 # This is the runtime used by AWS Lambda
 # plus a compatible deno executable /bin/deno.
 # https://github.com/hayd/deno_docker
diff --git a/tests/deps.ts b/tests/deps.ts
index 57f3cf98..9de3d8df 100644
--- a/tests/deps.ts
+++ b/tests/deps.ts
@@ -1,3 +1,6 @@
-export { assertEquals } from "https://deno.land/std@v0.27.0/testing/asserts.ts";
-export { serve } from "https://deno.land/std@v0.27.0/http/server.ts";
-export { runIfMain, test } from "https://deno.land/std@v0.27.0/testing/mod.ts";
+export { assertEquals } from "https://deno.land/std@v0.28.1/testing/asserts.ts";
+export {
+  serve,
+  ServerRequestBody
+} from "https://deno.land/std@v0.28.1/http/server.ts";
+export { runIfMain, test } from "https://deno.land/std@v0.28.1/testing/mod.ts";
diff --git a/tests/server.ts b/tests/server.ts
index 000053f6..3579631f 100644
--- a/tests/server.ts
+++ b/tests/server.ts
@@ -1,4 +1,4 @@
-import { serve } from "./deps.ts";
+import { serve, ServerRequestBody } from "./deps.ts";
 
 const encode = new TextEncoder().encode;
 const dec = new TextDecoder();
@@ -24,13 +24,6 @@ function bootstrap(testJson) {
   });
 }
 
-// is this in cli/std? r: ReadCloser
-async function read(r) {
-  const buf = new Uint8Array(10000);
-  const n = await r.read(buf);
-  return dec.decode(buf.slice(n));
-}
-
 const statusOK = encode('{"status":"OK"}\n');
 
 export async function serveEvents(testJson) {
@@ -45,15 +38,15 @@ export async function serveEvents(testJson) {
   for await (const req of s) {
     if (req.method == "POST") {
       if (req.url.endsWith("/response")) {
-        const body = dec.decode(await req.body());
+        const body = dec.decode(await Deno.readAll(req.body));
         responses.push(JSON.stringify({ status: "ok", content: body }));
       } else if (req.url.endsWith("/init/error")) {
-        const body = dec.decode(await req.body());
+        const body = dec.decode(await Deno.readAll(req.body));
         responses.push(JSON.stringify({ status: "error", content: body }));
         await req.respond({ body: statusOK });
         break;
       } else if (req.url.endsWith(`/${reqId}/error`)) {
-        const body = dec.decode(await req.body());
+        const body = dec.decode(await Deno.readAll(req.body));
         responses.push(JSON.stringify({ status: "error", content: body }));
       } else {
         throw new Error("Unreachable!");
@@ -76,7 +69,7 @@ export async function serveEvents(testJson) {
       }
     }
   }
-  /// const out = await read(p.stdout);
+  /// const out = await Deno.readAll(p.stdout);
   p.kill(9);
   s.close();
   await p.status();
diff --git a/tests/test_bundle.json b/tests/test_bundle.json
index 7e1b2430..0c69bca0 100644
--- a/tests/test_bundle.json
+++ b/tests/test_bundle.json
@@ -7,11 +7,11 @@
   "expected": [
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     },
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     }
   ],
   "files": ["hello.bundle.js"],
diff --git a/tests/test_example_zip.json b/tests/test_example_zip.json
index c6c55b6e..168d1ad7 100644
--- a/tests/test_example_zip.json
+++ b/tests/test_example_zip.json
@@ -4,11 +4,11 @@
   "expected": [
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     },
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     }
   ],
   "files": "deno-lambda-example.zip",
diff --git a/tests/test_js.json b/tests/test_js.json
index c9c5804f..633f356c 100644
--- a/tests/test_js.json
+++ b/tests/test_js.json
@@ -4,11 +4,11 @@
   "expected": [
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     },
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     }
   ],
   "files": ["hello.js"],
diff --git a/tests/test_self_contained.json b/tests/test_self_contained.json
index e4f48b8c..7a2e2b5e 100644
--- a/tests/test_self_contained.json
+++ b/tests/test_self_contained.json
@@ -4,11 +4,11 @@
   "expected": [
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     },
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     }
   ],
   "files": ["hello.ts", "bootstrap", "amz-deno"]
diff --git a/tests/test_simple.json b/tests/test_simple.json
index f12c437a..983c18b5 100644
--- a/tests/test_simple.json
+++ b/tests/test_simple.json
@@ -4,11 +4,11 @@
   "expected": [
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     },
     {
       "status": "ok",
-      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.27.0 🦕\"}"
+      "content": "{\"statusCode\":200,\"body\":\"Welcome to deno 0.28.1 🦕\"}"
     }
   ],
   "files": ["hello.ts"],