diff --git a/.changeset/wise-dogs-clean.md b/.changeset/wise-dogs-clean.md
new file mode 100644
index 0000000..c5f922b
--- /dev/null
+++ b/.changeset/wise-dogs-clean.md
@@ -0,0 +1,5 @@
+---
+"@web-std/fetch": patch
+---
+
+Support HTTP2 pseudo-headers like `:authority`, `:method`, etc.
diff --git a/.github/workflows/blob.yml b/.github/workflows/blob.yml
index c147ad9..8346c0d 100644
--- a/.github/workflows/blob.yml
+++ b/.github/workflows/blob.yml
@@ -17,6 +17,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         node-version:
           - 16
@@ -42,9 +43,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         node-version:
-          - 14
           - 16
         os:
           - ubuntu-latest
diff --git a/.github/workflows/fetch.yml b/.github/workflows/fetch.yml
index 663430c..65d022f 100644
--- a/.github/workflows/fetch.yml
+++ b/.github/workflows/fetch.yml
@@ -18,6 +18,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         node-version:
           - 16
@@ -44,9 +45,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         node-version:
-          - 14
           - 16
         os:
           - ubuntu-latest
@@ -54,12 +55,6 @@ jobs:
           - macos-latest
         project:
           - fetch
-        exclude:
-          - os: windows-latest
-            node-version: 14
-          # On macOS, run tests with only the LTS environments.
-          - os: macos-latest
-            node-version: 14
 
     steps:
       - uses: actions/checkout@v2
@@ -75,12 +70,5 @@ jobs:
       - name: Test (ESM)
         run: yarn --cwd packages/${{matrix.project}} test -- --colors
 
-      # upload coverage only once
-      - name: Coveralls
-        uses: coverallsapp/github-action@master
-        if: matrix.node == '14' && matrix.os == 'ubuntu-latest'
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Test (CJS)
         run: yarn --cwd packages/${{matrix.project}} test:cjs
diff --git a/.github/workflows/file.yml b/.github/workflows/file.yml
index 5ffe24c..04c49b8 100644
--- a/.github/workflows/file.yml
+++ b/.github/workflows/file.yml
@@ -17,6 +17,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         node-version:
           - 16
@@ -42,9 +43,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         node-version:
-          - 14
           - 16
         os:
           - ubuntu-latest
diff --git a/.github/workflows/form-data.yml b/.github/workflows/form-data.yml
index 6238204..0cf3ada 100644
--- a/.github/workflows/form-data.yml
+++ b/.github/workflows/form-data.yml
@@ -18,6 +18,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         node-version:
           - 16
@@ -43,9 +44,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         node-version:
-          - 14
           - 16
         os:
           - ubuntu-latest
diff --git a/.github/workflows/stream.yml b/.github/workflows/stream.yml
index e93c534..321ef92 100644
--- a/.github/workflows/stream.yml
+++ b/.github/workflows/stream.yml
@@ -17,6 +17,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         node-version:
           - 16
@@ -43,9 +44,9 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     strategy:
+      fail-fast: false
       matrix:
         node-version:
-          - 14
           - 16
         os:
           - ubuntu-latest
@@ -76,6 +77,7 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: false
       matrix:
         node-version:
           - 16
diff --git a/packages/fetch/src/headers.js b/packages/fetch/src/headers.js
index e1fb035..95a08d2 100644
--- a/packages/fetch/src/headers.js
+++ b/packages/fetch/src/headers.js
@@ -8,27 +8,25 @@ import {types} from 'util';
 import http from 'http';
 import { isIterable } from './utils/is.js'
 
-const validators = /** @type {{validateHeaderName?:(name:string) => any, validateHeaderValue?:(name:string, value:string) => any}} */
-(http)
+/** @type {{validateHeaderValue?:(name:string, value:string) => any}} */
+const validators = (http)
 
-const validateHeaderName = typeof validators.validateHeaderName === 'function' ?
-	validators.validateHeaderName :
-	/**
-	 * @param {string} name 
-	 */
-	name => {
-		if (!/^[\^`\-\w!#$%&'*+.|~]+$/.test(name)) {
-			const err = new TypeError(`Header name must be a valid HTTP token [${name}]`);
-			Object.defineProperty(err, 'code', {value: 'ERR_INVALID_HTTP_TOKEN'});
-			throw err;
-		}
-	};
+/**
+ * @param {string} name
+ */
+const validateHeaderName = name => {
+	if (!/^[\^`\-\w!#$%&'*+.|~:]+$/.test(name)) {
+		const err = new TypeError(`Header name must be a valid HTTP token [${name}]`);
+		Object.defineProperty(err, 'code', {value: 'ERR_INVALID_HTTP_TOKEN'});
+		throw err;
+	}
+};
 
 const validateHeaderValue = typeof validators.validateHeaderValue === 'function' ?
 	validators.validateHeaderValue :
 	/**
-	 * @param {string} name 
-	 * @param {string} value 
+	 * @param {string} name
+	 * @param {string} value
 	 */
 	(name, value) => {
 		if (/[^\t\u0020-\u007E\u0080-\u00FF]/.test(value)) {
@@ -166,8 +164,8 @@ export default class Headers extends URLSearchParams {
 	}
 
 	/**
-	 * 
-	 * @param {string} name 
+	 *
+	 * @param {string} name
 	 */
 	get(name) {
 		const values = this.getAll(name);
@@ -184,8 +182,8 @@ export default class Headers extends URLSearchParams {
 	}
 
 	/**
-	 * @param {(value: string, key: string, parent: this) => void} callback 
-	 * @param {any} thisArg 
+	 * @param {(value: string, key: string, parent: this) => void} callback
+	 * @param {any} thisArg
 	 * @returns {void}
 	 */
 	forEach(callback, thisArg = undefined) {
diff --git a/packages/fetch/test/headers.js b/packages/fetch/test/headers.js
index beed9d9..6078eda 100644
--- a/packages/fetch/test/headers.js
+++ b/packages/fetch/test/headers.js
@@ -216,6 +216,19 @@ describe('Headers', () => {
 		expect(() => headers.append('', 'ok')).to.throw(TypeError);
 	});
 
+	it('should allow HTTP2 pseudo-headers', () => {
+		let headers = new Headers({':authority': 'something'});
+		headers.append(":method", "something else")
+
+		const result = [];
+		for (const pair of headers) {
+			result.push(pair);
+		}
+
+		expect(result).to.deep.equal([[':authority', 'something'], [':method', 'something else']]);
+
+	})
+
 	it('should ignore unsupported attributes while reading headers', () => {
 		const FakeHeader = function () { };
 		// Prototypes are currently ignored