diff --git a/docker.spec b/docker.spec
index 4e27959a61c6b68d72eecd94997efa817fcf2cdb..2b5d7832ff352afec913af212edb313cc0143a06 100644
--- a/docker.spec
+++ b/docker.spec
@@ -1,6 +1,6 @@
 Name: docker-engine
 Version: 18.09.0
-Release: 115
+Release: 116
 Summary: The open-source application container engine
 Group: Tools/Docker
 
@@ -211,6 +211,12 @@ fi
 %endif
 
 %changelog
+* Mon Aug 30 2021 wangfengtu<wangfengtu@huawei.com> - 18.09.0-116
+- Type:bugfix
+- CVE:NA
+- SUG:NA
+- DESC:fix dangling unpigz
+
 * Thu Apr 01 2021 wangfengtu<wangfengtu@huawei.com> - 18.09.0-115
 - Type:bugfix
 - CVE:NA
diff --git a/patch/0192-fix-dangling-unpigz.patch b/patch/0192-fix-dangling-unpigz.patch
new file mode 100644
index 0000000000000000000000000000000000000000..11d452bb992e38ce8ccd8bba08b7533d0bb4bd6f
--- /dev/null
+++ b/patch/0192-fix-dangling-unpigz.patch
@@ -0,0 +1,25 @@
+From 6926d4e842dc26043cbdd38de5a8c0776f0d4d43 Mon Sep 17 00:00:00 2001
+From: WangFengTu <wangfengtu@huawei.com>
+Date: Sun, 29 Aug 2021 15:49:03 +0800
+Subject: [PATCH] fix dangling unpigz
+
+Signed-off-by: WangFengTu <wangfengtu@huawei.com>
+---
+ components/engine/builder/dockerfile/copy.go | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/components/engine/builder/dockerfile/copy.go b/components/engine/builder/dockerfile/copy.go
+index ad9b08df..c323e703 100644
+--- a/components/engine/builder/dockerfile/copy.go
++++ b/components/engine/builder/dockerfile/copy.go
+@@ -527,6 +527,7 @@ func isArchivePath(driver containerfs.ContainerFS, path string) bool {
+ 	if err != nil {
+ 		return false
+ 	}
++	defer rdr.Close()
+ 	r := tar.NewReader(rdr)
+ 	_, err = r.Next()
+ 	return err == nil
+-- 
+2.25.1
+
diff --git a/series.conf b/series.conf
index 09b3213be6a648ec9af744991e67064359dd70fa..1db42f0f7618e476173b84e6d417c75ac3816b8f 100644
--- a/series.conf
+++ b/series.conf
@@ -189,4 +189,5 @@ patch/0188-docker-check-containerd-pid-before-kill-it.patch
 patch/0189-docker-fix-Access-to-remapped-root-allows-privilege-.patch
 patch/0190-docker-fix-CVE-2021-21285.patch
 patch/0191-rollback-if-docker-restart-when-doing-BlkDiscard.patch
+patch/0192-fix-dangling-unpigz.patch
 #end