diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 37c3f33..718da57 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -22,9 +22,6 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Test
-        env:
-          AWS_ACCESS_KEY: ${{ secrets.AWS_ACCESS_KEY }}
-          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
         run: go test -v -coverprofile=coverage.txt -covermode=atomic ./...
 
       - name: Upload coverage to Codecov
diff --git a/aws_s3_reader_seeker_test.go b/aws_s3_reader_seeker_test.go
index 3fa6398..f2f4e32 100644
--- a/aws_s3_reader_seeker_test.go
+++ b/aws_s3_reader_seeker_test.go
@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
 	"github.com/aws/aws-sdk-go/service/s3/s3manager"
@@ -15,7 +16,9 @@ import (
 
 func TestS3ReadSeeker(t *testing.T) {
 	mySession := session.Must(session.NewSession(
-		aws.NewConfig().WithRegion("ap-southeast-1"),
+		aws.NewConfig().
+			WithRegion("ap-southeast-1").
+			WithCredentials(credentials.AnonymousCredentials),
 	))
 	s3client := s3.New(mySession)
 
@@ -64,7 +67,9 @@ func TestS3ReadSeeker(t *testing.T) {
 
 func TestS3ReadSeeker_SeekLarge(t *testing.T) {
 	mySession := session.Must(session.NewSession(
-		aws.NewConfig().WithRegion("ap-southeast-1"),
+		aws.NewConfig().
+			WithRegion("ap-southeast-1").
+			WithCredentials(credentials.AnonymousCredentials),
 	))
 	s3client := s3.New(mySession)
 
@@ -118,7 +123,9 @@ func TestS3ReadSeeker_SeekLarge(t *testing.T) {
 
 func TestS3ReadSeeker_SeekDiscardHTTPBody(t *testing.T) {
 	mySession := session.Must(session.NewSession(
-		aws.NewConfig().WithRegion("ap-southeast-1"),
+		aws.NewConfig().
+			WithRegion("ap-southeast-1").
+			WithCredentials(credentials.AnonymousCredentials),
 	))
 	s3client := s3.New(mySession)
 
@@ -183,7 +190,9 @@ func TestS3ReadSeeker_SeekDiscardHTTPBody(t *testing.T) {
 
 func TestS3ReadSeeker_NotFoundObject(t *testing.T) {
 	mySession := session.Must(session.NewSession(
-		aws.NewConfig().WithRegion("ap-southeast-1"),
+		aws.NewConfig().
+			WithRegion("ap-southeast-1").
+			WithCredentials(credentials.AnonymousCredentials),
 	))
 	s3client := s3.New(mySession)
 
@@ -209,7 +218,9 @@ func TestS3ReadSeeker_NotFoundObject(t *testing.T) {
 
 func ExampleS3ReadSeeker() {
 	s3client := s3.New(session.Must(session.NewSession(
-		aws.NewConfig().WithRegion("ap-southeast-1"),
+		aws.NewConfig().
+			WithRegion("ap-southeast-1").
+			WithCredentials(credentials.AnonymousCredentials),
 	)))
 
 	r := awss3reader.NewS3ReadSeeker(