diff --git a/const.ts b/const.ts
index 8be89cc..9df5719 100644
--- a/const.ts
+++ b/const.ts
@@ -12,7 +12,11 @@ export const DEFAULT_RECORD_SIZE = 1024 * 64;
 export const RECORD_SIZE_MIN = 18;
 export const RECORD_SIZE_MAX = 2 ** 36 - 31;
 
-export const encoder = new TextEncoder();
-export const CEK_INFO = encoder.encode("Content-Encoding: aes128gcm\0");
-export const NONCE_INFO = encoder.encode("Content-Encoding: nonce\0");
-export const ONE_BYTE = encoder.encode("\x01");
+export const encoder: TextEncoder = new TextEncoder();
+export const CEK_INFO: Uint8Array = encoder.encode(
+  "Content-Encoding: aes128gcm\0",
+);
+export const NONCE_INFO: Uint8Array = encoder.encode(
+  "Content-Encoding: nonce\0",
+);
+export const ONE_BYTE: Uint8Array = encoder.encode("\x01");
diff --git a/deno.json b/deno.json
index 19f2e7e..f658f71 100644
--- a/deno.json
+++ b/deno.json
@@ -1,30 +1,39 @@
 {
-  "compilerOptions": {
-    "allowJs": false,
-    "strict": true
-  },
-  "lint": {
-    "include": [
-      "."
-    ],
-    "exclude": [
-      "dist/",
-      "npm/"
-    ],
-    "rules": {
-      "tags": [
-        "recommended"
-      ]
-    }
-  },
-  "fmt": {
-    "include": [
-      "."
-    ],
-    "exclude": [
-      "dist/",
-      "npm/"
-    ],
-    "indentWidth": 2
-  }
+	"name": "@negrel/http-ece",
+	"version": "0.2.0",
+	"exports": "./mod.ts",
+	"compilerOptions": {
+		"allowJs": false,
+		"strict": true
+	},
+	"lint": {
+		"include": [
+			"."
+		],
+		"exclude": [
+			"dist/",
+			"npm/"
+		],
+		"rules": {
+			"tags": [
+				"recommended"
+			]
+		}
+	},
+	"fmt": {
+		"include": [
+			"."
+		],
+		"exclude": [
+			"dist/",
+			"npm/"
+		],
+		"indentWidth": 2
+	},
+	"imports": {
+		"@deno/dnt": "jsr:@deno/dnt@0.38.0",
+		"@std/encoding": "jsr:@std/encoding@0.224.0",
+		"@std/bytes": "jsr:@std/bytes@0.224.0",
+		"@std/assert": "jsr:@std/assert@0.224.0"
+	}
 }
diff --git a/deps.ts b/deps.ts
index 7c0a0c9..c9649c1 100644
--- a/deps.ts
+++ b/deps.ts
@@ -1,10 +1,10 @@
 export {
   decodeBase64Url,
   encodeBase64Url,
-} from "https://deno.land/std@0.224.0/encoding/base64url.ts";
+} from "@std/encoding/base64url";
 export {
   decodeBase64,
   encodeBase64,
-} from "https://deno.land/std@0.224.0/encoding/base64.ts";
+} from "@std/encoding/base64";
 
-export * as bytes from "https://deno.land/std@0.224.0/bytes/mod.ts";
+export * as bytes from "@std/bytes";
diff --git a/dev_deps.ts b/dev_deps.ts
index 3d4fc32..262436a 100644
--- a/dev_deps.ts
+++ b/dev_deps.ts
@@ -4,4 +4,4 @@ export {
   assertFalse,
   assertNotEquals,
   assertThrows,
-} from "https://deno.land/std@0.224.0/assert/mod.ts";
+} from "@std/assert";
diff --git a/scripts/build_npm.ts b/scripts/build_npm.ts
index bbb865f..1eb660d 100644
--- a/scripts/build_npm.ts
+++ b/scripts/build_npm.ts
@@ -1,4 +1,4 @@
-import { build, emptyDir } from "https://deno.land/x/dnt@0.38.0/mod.ts";
+import { build, emptyDir } from "@deno/dnt";
 
 const version = Deno.args[0];
 if (!version) throw new Error("Missing version");