diff --git a/internal/chart/v3/util/save.go b/internal/chart/v3/util/save.go
index 49d93bf40..606e0b6b0 100644
--- a/internal/chart/v3/util/save.go
+++ b/internal/chart/v3/util/save.go
@@ -233,6 +233,7 @@ func writeToTar(out *tar.Writer, name string, body []byte) error {
 		Mode:    0644,
 		Size:    int64(len(body)),
 		ModTime: time.Now(),
+		Format:  tar.FormatPAX,
 	}
 	if err := out.WriteHeader(h); err != nil {
 		return err
diff --git a/internal/chart/v3/util/save_test.go b/internal/chart/v3/util/save_test.go
index 9b1b14a4c..91a7ac7dc 100644
--- a/internal/chart/v3/util/save_test.go
+++ b/internal/chart/v3/util/save_test.go
@@ -137,10 +137,7 @@ func Indent(n int, text string) string {
 }
 
 func TestSavePreservesTimestamps(t *testing.T) {
-	// Test executes so quickly that if we don't subtract a second, the
-	// check will fail because `initialCreateTime` will be identical to the
-	// written timestamp for the files.
-	initialCreateTime := time.Now().Add(-1 * time.Second)
+	initialCreateTime := time.Now()
 
 	tmp := t.TempDir()
 
diff --git a/pkg/chart/v2/util/save.go b/pkg/chart/v2/util/save.go
index 69a98924c..ca363279f 100644
--- a/pkg/chart/v2/util/save.go
+++ b/pkg/chart/v2/util/save.go
@@ -245,6 +245,7 @@ func writeToTar(out *tar.Writer, name string, body []byte) error {
 		Mode:    0644,
 		Size:    int64(len(body)),
 		ModTime: time.Now(),
+		Format:  tar.FormatPAX,
 	}
 	if err := out.WriteHeader(h); err != nil {
 		return err
diff --git a/pkg/chart/v2/util/save_test.go b/pkg/chart/v2/util/save_test.go
index ef822a82a..c88741972 100644
--- a/pkg/chart/v2/util/save_test.go
+++ b/pkg/chart/v2/util/save_test.go
@@ -140,10 +140,7 @@ func Indent(n int, text string) string {
 }
 
 func TestSavePreservesTimestamps(t *testing.T) {
-	// Test executes so quickly that if we don't subtract a second, the
-	// check will fail because `initialCreateTime` will be identical to the
-	// written timestamp for the files.
-	initialCreateTime := time.Now().Add(-1 * time.Second)
+	initialCreateTime := time.Now()
 
 	tmp := t.TempDir()