diff --git a/go.mod b/go.mod
index 5142a8a1e5..b7412b2c08 100644
--- a/go.mod
+++ b/go.mod
@@ -88,7 +88,7 @@ require (
 	github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749
 	github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546
 	github.com/sony/gobreaker v0.5.0
-	github.com/spf13/afero v1.9.2
+	github.com/spf13/afero v1.9.3
 	github.com/stretchr/testify v1.8.1
 	github.com/thanos-io/thanos v0.28.0
 	github.com/tonistiigi/fifo v0.0.0-20190226154929-a9fb20d87448
diff --git a/go.sum b/go.sum
index bec77b9db1..880b58e32b 100644
--- a/go.sum
+++ b/go.sum
@@ -1304,8 +1304,9 @@ github.com/spaolacci/murmur3 v1.1.0/go.mod h1:JwIasOWyU6f++ZhiEuf87xNszmSA2myDM2
 github.com/spf13/afero v1.2.2/go.mod h1:9ZxEEn6pIJ8Rxe320qSDBk6AsU0r9pR7Q4OcevTdifk=
 github.com/spf13/afero v1.3.3/go.mod h1:5KUK8ByomD5Ti5Artl0RtHeI5pTF7MIDuXL3yY520V4=
 github.com/spf13/afero v1.6.0/go.mod h1:Ai8FlHk4v/PARR026UzYexafAt9roJ7LcLMAmO6Z93I=
-github.com/spf13/afero v1.9.2 h1:j49Hj62F0n+DaZ1dDCvhABaPNSGNkt32oRFxI33IEMw=
 github.com/spf13/afero v1.9.2/go.mod h1:iUV7ddyEEZPO5gA3zD4fJt6iStLlL+Lg4m2cihcDf8Y=
+github.com/spf13/afero v1.9.3 h1:41FoI0fD7OR7mGcKE/aOiLkGreyf8ifIOQmJANWogMk=
+github.com/spf13/afero v1.9.3/go.mod h1:iUV7ddyEEZPO5gA3zD4fJt6iStLlL+Lg4m2cihcDf8Y=
 github.com/spf13/cast v1.3.1 h1:nFm6S0SMdyzrzcmThSipiEubIDy8WEXKNZ0UOgiRpng=
 github.com/spf13/cast v1.3.1/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkUJE=
 github.com/spf13/cobra v0.0.2/go.mod h1:1l0Ry5zgKvJasoi3XT1TypsSe7PqH0Sj9dhYf7v3XqQ=
diff --git a/vendor/github.com/spf13/afero/memmap.go b/vendor/github.com/spf13/afero/memmap.go
index ea0798d870..d06975e712 100644
--- a/vendor/github.com/spf13/afero/memmap.go
+++ b/vendor/github.com/spf13/afero/memmap.go
@@ -142,6 +142,11 @@ func (m *MemMapFs) Mkdir(name string, perm os.FileMode) error {
 	}
 
 	m.mu.Lock()
+	// Dobule check that it doesn't exist.
+	if _, ok := m.getData()[name]; ok {
+		m.mu.Unlock()
+		return &os.PathError{Op: "mkdir", Path: name, Err: ErrFileExists}
+	}
 	item := mem.CreateDir(name)
 	mem.SetMode(item, os.ModeDir|perm)
 	m.getData()[name] = item
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 0bb553cf93..16ec76d740 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1132,7 +1132,7 @@ github.com/sony/gobreaker
 # github.com/spaolacci/murmur3 v1.1.0
 ## explicit
 github.com/spaolacci/murmur3
-# github.com/spf13/afero v1.9.2
+# github.com/spf13/afero v1.9.3
 ## explicit; go 1.16
 github.com/spf13/afero
 github.com/spf13/afero/internal/common