diff --git a/testhelper/docker/resource/minio/minio.go b/testhelper/docker/resource/minio/minio.go
index ff3ca2b6..ee10866e 100644
--- a/testhelper/docker/resource/minio/minio.go
+++ b/testhelper/docker/resource/minio/minio.go
@@ -12,6 +12,7 @@ import (
 	"path/filepath"
 	"slices"
 	"strings"
+	"time"
 
 	"github.com/minio/minio-go/v7"
 	"github.com/minio/minio-go/v7/pkg/credentials"
@@ -32,9 +33,10 @@ type Resource struct {
 }
 
 type File struct {
-	Key     string
-	Content string
-	Etag    string
+	Key                  string
+	Content              string
+	Etag                 string
+	LastModificationTime time.Time
 }
 
 func Setup(pool *dockertest.Pool, d resource.Cleaner, opts ...func(*Config)) (*Resource, error) {
@@ -158,9 +160,10 @@ func (r *Resource) Contents(ctx context.Context, prefix string) ([]File, error)
 		}
 
 		contents = append(contents, File{
-			Key:     objInfo.Key,
-			Content: string(b),
-			Etag:    objInfo.ETag,
+			Key:                  objInfo.Key,
+			Content:              string(b),
+			Etag:                 objInfo.ETag,
+			LastModificationTime: objInfo.LastModified,
 		})
 	}
 
diff --git a/testhelper/docker/resource/minio/minio_test.go b/testhelper/docker/resource/minio/minio_test.go
index 0ee8023e..4879b020 100644
--- a/testhelper/docker/resource/minio/minio_test.go
+++ b/testhelper/docker/resource/minio/minio_test.go
@@ -93,11 +93,22 @@ func TestMinioContents(t *testing.T) {
 	files, err := minioResource.Contents(context.Background(), "test-bucket/")
 	require.NoError(t, err)
 
-	require.Equal(t, []File{
-		{Key: "test-bucket/empty", Content: "", Etag: etag3},
-		{Key: "test-bucket/hello.txt", Content: "hello", Etag: etag1},
-		{Key: "test-bucket/hello.txt.gz", Content: "hello compressed", Etag: etag2},
-	}, files)
+	// LastModified is set after the file is uploaded, so we can't compare it
+	lo.ForEach(files, func(f File, _ int) {
+		switch f.Key {
+		case "test-bucket/hello.txt":
+			require.Equal(t, "hello", f.Content)
+			require.Equal(t, etag1, f.Etag)
+		case "test-bucket/hello.txt.gz":
+			require.Equal(t, "hello compressed", f.Content)
+			require.Equal(t, etag2, f.Etag)
+		case "test-bucket/empty":
+			require.Equal(t, "", f.Content)
+			require.Equal(t, etag3, f.Etag)
+		default:
+			t.Fatalf("unexpected file: %s", f.Key)
+		}
+	})
 
 	t.Run("canceled context", func(t *testing.T) {
 		ctx, cancel := context.WithCancel(context.Background())