diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4122280..dcab4dd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,9 +11,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: denoland/setup-deno@v1
+      - uses: denoland/setup-deno@v2
         with:
-          deno-version: v1.x
+          deno-version: v2.x
       - name: Run tests
         run: deno test --allow-env --allow-read=. --allow-net=api.github.com,0.0.0.0,localhost
       - name: Deploy to Deno Deploy
diff --git a/.vscode/settings.json b/.vscode/settings.json
deleted file mode 100644
index d34c001..0000000
--- a/.vscode/settings.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-  "deno.enable": true,
-  "deno.lint": false,
-  "deno.unstable": false
-}
diff --git a/deno.json b/deno.json
index 12a7930..94e489e 100644
--- a/deno.json
+++ b/deno.json
@@ -1,3 +1,8 @@
 {
-  "importMap": "./import_map.json"
+  "imports": {
+    "@std/assert": "jsr:@std/assert@^1.0.12",
+    "preact": "https://esm.sh/preact@10.15.1?pin=v135",
+    "preact/": "https://esm.sh/preact@10.15.1&pin=v135/",
+    "preact-render-to-string": "https://esm.sh/*preact-render-to-string@6.1.0?pin=v135"
+  }
 }
diff --git a/deno.lock b/deno.lock
index 41cefd6..0c9387f 100644
--- a/deno.lock
+++ b/deno.lock
@@ -1,12 +1,29 @@
 {
-  "version": "3",
+  "version": "4",
+  "specifiers": {
+    "jsr:@std/assert@^1.0.12": "1.0.12",
+    "jsr:@std/internal@^1.0.6": "1.0.6"
+  },
+  "jsr": {
+    "@std/assert@1.0.12": {
+      "integrity": "08009f0926dda9cbd8bef3a35d3b6a4b964b0ab5c3e140a4e0351fbf34af5b9a",
+      "dependencies": [
+        "jsr:@std/internal"
+      ]
+    },
+    "@std/internal@1.0.6": {
+      "integrity": "9533b128f230f73bd209408bb07a4b12f8d4255ab2a4d22a1fd6d87304aca9a4"
+    }
+  },
   "remote": {
-    "https://deno.land/std@0.117.0/fmt/colors.ts": "8368ddf2d48dfe413ffd04cdbb7ae6a1009cf0dccc9c7ff1d76259d9c61a0621",
-    "https://deno.land/std@0.117.0/testing/_diff.ts": "e6a10d2aca8d6c27a9c5b8a2dbbf64353874730af539707b5b39d4128140642d",
-    "https://deno.land/std@0.117.0/testing/asserts.ts": "a1fef0239a2c343b0baa49c77dcdd7412613c46f3aba2887c331a2d7ed1f645e",
     "https://esm.sh/*preact-render-to-string@6.1.0?pin=v135": "ce1c6902880f66372096778d76a4afcb1e7f10a7349939c146d5e33aee5962dd",
     "https://esm.sh/preact@10.15.1?pin=v135": "796ac5b6d7b4c71b1eba2e60dee47d3a7c639d99b546b35902af6405e845cf5a",
     "https://esm.sh/stable/preact@10.15.1/denonext/preact.mjs": "30710ac1d5ff3711ae0c04eddbeb706f34f82d97489f61aaf09897bc75d2a628",
     "https://esm.sh/v135/preact-render-to-string@6.1.0/X-ZS8q/denonext/preact-render-to-string.mjs": "8ce71d44f2a197f8fafa24c8d1ac19e0d7fac5a171efae6154f8d754e1ae0ae4"
+  },
+  "workspace": {
+    "dependencies": [
+      "jsr:@std/assert@^1.0.12"
+    ]
   }
 }
diff --git a/deps.test.ts b/deps.test.ts
deleted file mode 100644
index 93a83a0..0000000
--- a/deps.test.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from "https://deno.land/std@0.117.0/testing/asserts.ts";
diff --git a/handleRequest.test.ts b/handleRequest.test.ts
index 9b2cf3f..44faec5 100644
--- a/handleRequest.test.ts
+++ b/handleRequest.test.ts
@@ -1,8 +1,8 @@
-import { assertEquals } from "./deps.test.ts";
+import { assertEquals } from "@std/assert";
 import { createRequestHandler } from "./handleRequest.ts";
 import { RealClock } from "./utils/clock.ts";
 
-const connInfo: Deno.ServeHandlerInfo = {
+const connInfo: Deno.ServeHandlerInfo<Deno.NetAddr> = {
   remoteAddr: {
     transport: "tcp",
     hostname: "127.0.0.1",
diff --git a/handleRequest.ts b/handleRequest.ts
index 074fa2a..4ed2f23 100644
--- a/handleRequest.ts
+++ b/handleRequest.ts
@@ -16,7 +16,7 @@ const contentTypes = {
 export function createRequestHandler(clock: Clock) {
   const { fetchCached } = createFetchCacher(clock);
   return {
-    async handleRequest(request: Request, info: Deno.ServeHandlerInfo) {
+    async handleRequest(request: Request, info: Deno.ServeHandlerInfo<Deno.NetAddr>) {
       const url = new URL(request.url);
       const newUrl = await resolvePluginOrSchemaUrl(url);
       if (newUrl != null) {
diff --git a/import_map.json b/import_map.json
deleted file mode 100644
index 9b02f03..0000000
--- a/import_map.json
+++ /dev/null
@@ -1,7 +0,0 @@
-{
-  "imports": {
-    "preact": "https://esm.sh/preact@10.15.1?pin=v135",
-    "preact/": "https://esm.sh/preact@10.15.1&pin=v135/",
-    "preact-render-to-string": "https://esm.sh/*preact-render-to-string@6.1.0?pin=v135"
-  }
-}
diff --git a/plugins.test.ts b/plugins.test.ts
index fb80aab..8587077 100644
--- a/plugins.test.ts
+++ b/plugins.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "./deps.test.ts";
+import { assertEquals } from "@std/assert";
 import { tryResolveLatestJson } from "./plugins.ts";
 import { getLatestReleaseInfo } from "./utils/github.ts";
 
diff --git a/utils/LazyExpirableValue.test.ts b/utils/LazyExpirableValue.test.ts
index b2dd44b..fd04892 100644
--- a/utils/LazyExpirableValue.test.ts
+++ b/utils/LazyExpirableValue.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals, assertRejects } from "../deps.test.ts";
+import { assertEquals, assertRejects } from "@std/assert";
 import { LazyExpirableValue } from "./LazyExpirableValue.ts";
 
 Deno.test("should work", async () => {
diff --git a/utils/LruCache.test.ts b/utils/LruCache.test.ts
index 3a7e6ef..05ed42c 100644
--- a/utils/LruCache.test.ts
+++ b/utils/LruCache.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "../deps.test.ts";
+import { assertEquals } from "@std/assert";
 import { LruCache, LruCacheWithExpiry } from "./LruCache.ts";
 
 Deno.test("LruCache - keeps only most recent", () => {
diff --git a/utils/RateLimiter.test.ts b/utils/RateLimiter.test.ts
index 5cdd545..ee97813 100644
--- a/utils/RateLimiter.test.ts
+++ b/utils/RateLimiter.test.ts
@@ -1,4 +1,4 @@
-import { assert } from "../deps.test.ts";
+import { assert } from "@std/assert";
 import { Clock } from "./clock.ts";
 import { RateLimiter } from "./RateLimiter.ts";
 
diff --git a/utils/asyncLazy.test.ts b/utils/asyncLazy.test.ts
index a53a905..10c3708 100644
--- a/utils/asyncLazy.test.ts
+++ b/utils/asyncLazy.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals, assertRejects } from "../deps.test.ts";
+import { assertEquals, assertRejects } from "@std/assert";
 import { createAsyncLazy } from "./asyncLazy.ts";
 
 Deno.test("should create", async () => {
diff --git a/utils/fetchCached.test.ts b/utils/fetchCached.test.ts
index 02e81c7..de22727 100644
--- a/utils/fetchCached.test.ts
+++ b/utils/fetchCached.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "../deps.test.ts";
+import { assertEquals } from "@std/assert";
 import { createFetchCacher } from "./fetchCached.ts";
 
 Deno.test("should error when going above 10mb", {
diff --git a/utils/github.test.ts b/utils/github.test.ts
index 54c07a3..9ab6019 100644
--- a/utils/github.test.ts
+++ b/utils/github.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "../deps.test.ts";
+import { assertEquals } from "@std/assert";
 import { checkGithubRepoExists } from "./github.ts";
 
 Deno.test("should get when exists", async () => {
diff --git a/utils/version.test.ts b/utils/version.test.ts
index 7eba1a2..0afe366 100644
--- a/utils/version.test.ts
+++ b/utils/version.test.ts
@@ -1,4 +1,4 @@
-import { assertEquals } from "../deps.test.ts";
+import { assertEquals } from "@std/assert";
 import { parseVersion, Version } from "./version.ts";
 
 Deno.test("should parse version", () => {