diff --git a/.changeset/healthy-buckets-drum.md b/.changeset/healthy-buckets-drum.md
new file mode 100644
index 00000000..fb129dfe
--- /dev/null
+++ b/.changeset/healthy-buckets-drum.md
@@ -0,0 +1,5 @@
+---
+"@web-io/fetch": patch
+---
+
+If locationURL’s scheme is not an HTTP(S) scheme, then return a network error. https://fetch.spec.whatwg.org/#http-redirect-fetch
diff --git a/.github/workflows/blob.yml b/.github/workflows/blob.yml
index c147ad9c..8346c0db 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 663430c7..65d022fc 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 5ffe24c1..04c49b8e 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 6238204b..0cf3ada8 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 e93c5349..321ef927 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/fetch.js b/packages/fetch/src/fetch.js
index 6a765428..8ced2170 100644
--- a/packages/fetch/src/fetch.js
+++ b/packages/fetch/src/fetch.js
@@ -180,6 +180,14 @@ async function fetch(url, options_ = {}) {
 							return;
 						}
 
+						// https://fetch.spec.whatwg.org/#http-redirect-fetch
+						// 6. If locationURL’s scheme is not an HTTP(S) scheme, then return a network error.
+						if (locationURL.protocol !== 'http:' && locationURL.protocol !== 'https:') {
+							reject(new FetchError('URL scheme must be a HTTP(S) scheme', 'bad-redirect-scheme'));
+							finalize();
+							return;
+						}
+
 						// HTTP-redirect fetch step 6 (counter increment)
 						// Create a new Request object.
 						const requestOptions = {
diff --git a/packages/fetch/test/main.js b/packages/fetch/test/main.js
index 96dc2cdf..70dcc1e6 100644
--- a/packages/fetch/test/main.js
+++ b/packages/fetch/test/main.js
@@ -442,6 +442,15 @@ describe('node-fetch', () => {
 		});
 	});
 
+	it("should not follow non HTTP(s) redirect", () => {
+		const url = `${base}redirect/301/file`;
+		const options = {
+		};
+		return expect(fetch(url, options))
+			.to.eventually.be.rejected.and.be.an.instanceOf(FetchError)
+			.and.have.property("type", "bad-redirect-scheme");
+	});
+
 	it('should allow not following redirect', () => {
 		const url = `${base}redirect/301`;
 		const options = {
@@ -1601,7 +1610,7 @@ describe('node-fetch', () => {
 		const parameters = new URLSearchParams();
 		parameters.append('key', 'value');
 		const request = new Request(base, {
-			method: 'POST', 
+			method: 'POST',
 			headers: {
 				'Content-Type': 'application/x-www-form-urlencoded',
 			},
diff --git a/packages/fetch/test/utils/server.js b/packages/fetch/test/utils/server.js
index 2c28ab81..eaa3925b 100644
--- a/packages/fetch/test/utils/server.js
+++ b/packages/fetch/test/utils/server.js
@@ -235,6 +235,12 @@ export default class TestServer {
 			res.end();
 		}
 
+		if (p === '/redirect/301/file') {
+			res.statusCode = 301;
+			res.setHeader('Location', 'file://inspect');
+			res.end();
+		}
+
 		if (p === '/redirect/301/rn') {
 			res.statusCode = 301
 			res.setHeader('Location', '/403')