diff --git a/pkg/kubelet/kubeletconfig/util/files/files.go b/pkg/kubelet/kubeletconfig/util/files/files.go
index b8d4653314..62d96fa5ad 100644
--- a/pkg/kubelet/kubeletconfig/util/files/files.go
+++ b/pkg/kubelet/kubeletconfig/util/files/files.go
@@ -83,6 +83,10 @@ func ReplaceFile(fs utilfs.Filesystem, path string, data []byte) error {
 	if _, err := tmpFile.Write(data); err != nil {
 		return err
 	}
+	// sync file, to ensure it's written in case a hard reset happens
+	if err := tmpFile.Sync(); err != nil {
+		return err
+	}
 	if err := tmpFile.Close(); err != nil {
 		return err
 	}
diff --git a/pkg/util/filesystem/defaultfs.go b/pkg/util/filesystem/defaultfs.go
index fca8f76b3c..ea9d73f139 100644
--- a/pkg/util/filesystem/defaultfs.go
+++ b/pkg/util/filesystem/defaultfs.go
@@ -101,6 +101,11 @@ func (file *defaultFile) Write(b []byte) (n int, err error) {
 	return file.file.Write(b)
 }
 
+// Sync via os.File.Sync
+func (file *defaultFile) Sync() error {
+	return file.file.Sync()
+}
+
 // Close via os.File.Close
 func (file *defaultFile) Close() error {
 	return file.file.Close()
diff --git a/pkg/util/filesystem/fakefs.go b/pkg/util/filesystem/fakefs.go
index ab79ffafb0..28bbce8067 100644
--- a/pkg/util/filesystem/fakefs.go
+++ b/pkg/util/filesystem/fakefs.go
@@ -107,6 +107,11 @@ func (file *fakeFile) Write(b []byte) (n int, err error) {
 	return file.file.Write(b)
 }
 
+// Sync via afero.File.Sync
+func (file *fakeFile) Sync() error {
+	return file.file.Sync()
+}
+
 // Close via afero.File.Close
 func (file *fakeFile) Close() error {
 	return file.file.Close()
diff --git a/pkg/util/filesystem/filesystem.go b/pkg/util/filesystem/filesystem.go
index e65897bfd9..fcfef1d1f9 100644
--- a/pkg/util/filesystem/filesystem.go
+++ b/pkg/util/filesystem/filesystem.go
@@ -45,5 +45,6 @@ type File interface {
 	// for now, the only os.File methods used are those below, add more as necessary
 	Name() string
 	Write(b []byte) (n int, err error)
+	Sync() error
 	Close() error
 }