diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 997fbe0..ba71807 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,12 +8,13 @@ on:
 
 jobs:
   test:
-    name: test-${{ matrix.deno-version }}-${{ matrix.unstable && 'unstable' || 'stable' }}
+    name: build-${{ matrix.deno-version == 'nightly' && 'nightly' || 'release' }}-${{ matrix.unstable && 'unstable' || 'stable' }}-${{ matrix.no-check && 'nocheck' || 'tsc' }}
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        deno-version: [v1.3.3, nightly]
+        deno-version: [v1.4.0, nightly]
         unstable: [false, true]
+        no-check: [false, true]
     env:
       AWS_ACCESS_KEY_ID: AKIAIOSFODNN7EXAMPLE
       AWS_SECRET_ACCESS_KEY: wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY
@@ -37,4 +38,4 @@ jobs:
           aws --endpoint-url "http://localhost:9000" s3 mb s3://test
 
       - name: Test
-        run: deno test --allow-net --allow-env ${{ matrix.unstable && '--unstable' || '' }}
+        run: deno test --allow-net --allow-env${{ matrix.unstable && ' --unstable' || '' }}${{ matrix.no-check && ' --no-check' || '' }}
diff --git a/deps.ts b/deps.ts
index 248ddb3..9393de4 100644
--- a/deps.ts
+++ b/deps.ts
@@ -1,5 +1,5 @@
-export { AWSSignerV4 } from "https://deno.land/x/aws_sign_v4@0.1.0/mod.ts";
-import { createHash } from "https://deno.land/std@0.68.0/hash/mod.ts";
+export { AWSSignerV4 } from "https://deno.land/x/aws_sign_v4@0.1.1/mod.ts";
+import { createHash } from "https://deno.land/std@0.69.0/hash/mod.ts";
 export function sha256Hex(data: string | Uint8Array): string {
   const hasher = createHash("sha256");
   hasher.update(data);
diff --git a/src/bucket.ts b/src/bucket.ts
index 8768edf..0c4d9c5 100644
--- a/src/bucket.ts
+++ b/src/bucket.ts
@@ -1,5 +1,5 @@
 import { AWSSignerV4, sha256Hex } from "../deps.ts";
-import { S3Config } from "./client.ts";
+import type { S3Config } from "./client.ts";
 import type {
   GetObjectOptions,
   PutObjectOptions,
diff --git a/test_deps.ts b/test_deps.ts
index 6f8c771..2690539 100644
--- a/test_deps.ts
+++ b/test_deps.ts
@@ -2,4 +2,4 @@ export {
   assert,
   assertEquals,
   assertThrowsAsync,
-} from "https://deno.land/std@0.68.0/testing/asserts.ts";
+} from "https://deno.land/std@0.69.0/testing/asserts.ts";