diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 92adfbf..c6ea761 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,7 +1,7 @@
 name: test
 on: push
 jobs:
-  nodejs:
+  node:
     name: Node.js v${{ matrix.node-version }}
     strategy:
       matrix:
@@ -18,3 +18,25 @@ jobs:
           cache: npm
       - run: npm ci
       - run: npm test
+  deno:
+    name: Deno
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v4
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: latest
+      - run: deno task test
+        working-directory: runtime/deno
+  bun:
+    name: Bun
+    runs-on: ubuntu-latest
+    timeout-minutes: 15
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: latest
+      - run: bun test
+        working-directory: runtime/bun
diff --git a/README.md b/README.md
index c6020e0..1290d86 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,9 @@ yarn add websri
 # pnpm
 pnpm install websri
 
+# deno
+deno add npm:websri
+
 # bun
 bun install websri
 ```
diff --git a/runtime/bun/Integrity-metadata.test.ts b/runtime/bun/Integrity-metadata.test.ts
new file mode 100644
index 0000000..2016569
--- /dev/null
+++ b/runtime/bun/Integrity-metadata.test.ts
@@ -0,0 +1,12 @@
+import { expect, test } from "bun:test";
+import { createIntegrityMetadata } from "../../src/index.ts";
+
+test("createIntegrityMetadata()", async () => {
+  const res = new Response("Hello, world!");
+  const data = await res.arrayBuffer();
+  const integrityMetadata = await createIntegrityMetadata("sha256", data);
+
+  expect(integrityMetadata.toString()).toBe(
+    "sha256-MV9b23bQeMQ7isAGTkoBZGErH853yGk0W/yUx1iU7dM=",
+  );
+});
diff --git a/runtime/bun/bun.lockb b/runtime/bun/bun.lockb
new file mode 100755
index 0000000..4a82f7c
Binary files /dev/null and b/runtime/bun/bun.lockb differ
diff --git a/runtime/bun/package.json b/runtime/bun/package.json
new file mode 100644
index 0000000..e13219c
--- /dev/null
+++ b/runtime/bun/package.json
@@ -0,0 +1,8 @@
+{
+  "devDependencies": {
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  }
+}
diff --git a/runtime/bun/tsconfig.json b/runtime/bun/tsconfig.json
new file mode 100644
index 0000000..238655f
--- /dev/null
+++ b/runtime/bun/tsconfig.json
@@ -0,0 +1,27 @@
+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext", "DOM"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}
diff --git a/runtime/deno/deno.json b/runtime/deno/deno.json
new file mode 100644
index 0000000..b7209d3
--- /dev/null
+++ b/runtime/deno/deno.json
@@ -0,0 +1,8 @@
+{
+  "tasks": {
+    "test": "deno test --no-check"
+  },
+  "imports": {
+    "@std/assert": "jsr:@std/assert@^1.0.3"
+  }
+}
diff --git a/runtime/deno/deno.lock b/runtime/deno/deno.lock
new file mode 100644
index 0000000..833dace
--- /dev/null
+++ b/runtime/deno/deno.lock
@@ -0,0 +1,26 @@
+{
+  "version": "3",
+  "packages": {
+    "specifiers": {
+      "jsr:@std/assert@^1.0.3": "jsr:@std/assert@1.0.3",
+      "jsr:@std/internal@^1.0.2": "jsr:@std/internal@1.0.2"
+    },
+    "jsr": {
+      "@std/assert@1.0.3": {
+        "integrity": "b0d03ce1ced880df67132eea140623010d415848df66f6aa5df76507ca7c26d8",
+        "dependencies": [
+          "jsr:@std/internal@^1.0.2"
+        ]
+      },
+      "@std/internal@1.0.2": {
+        "integrity": "f4cabe2021352e8bfc24e6569700df87bf070914fc38d4b23eddd20108ac4495"
+      }
+    }
+  },
+  "remote": {},
+  "workspace": {
+    "dependencies": [
+      "jsr:@std/assert@^1.0.3"
+    ]
+  }
+}
diff --git a/runtime/deno/integrity-metadata.test.ts b/runtime/deno/integrity-metadata.test.ts
new file mode 100644
index 0000000..0b06be2
--- /dev/null
+++ b/runtime/deno/integrity-metadata.test.ts
@@ -0,0 +1,13 @@
+import { assertEquals } from "@std/assert";
+import { createIntegrityMetadata } from "../../src/index.ts";
+
+Deno.test("createIntegrityMetadata()", async () => {
+  const res = new Response("Hello, world!");
+  const data = await res.arrayBuffer();
+  const integrityMetadata = await createIntegrityMetadata("sha256", data);
+
+  assertEquals(
+    integrityMetadata.toString(),
+    "sha256-MV9b23bQeMQ7isAGTkoBZGErH853yGk0W/yUx1iU7dM=",
+  );
+});