diff --git a/debian/changelog b/debian/changelog
index c11f6d3..7d1551a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+pve-kernel (6.1.21) generic; urgency=medium
+
+  * Update to Linux 6.1.21
+
+ -- Jiangcuo <jiangcuo@bingsin.com>  Wed, 29 Mar 2023 18:55:28 +0800
+
 pve-kernel (6.1.20) generic; urgency=medium
 
   * Update to Linux 6.1.20
diff --git a/debian/config/config.pve b/debian/config/config.pve
index 3c52cab..befd6cc 100644
--- a/debian/config/config.pve
+++ b/debian/config/config.pve
@@ -1,7 +1,4 @@
 #
-# Automatically generated file; DO NOT EDIT.
-# Linux/arm64 6.1.20 Kernel Configuration
-#
 CONFIG_CC_VERSION_TEXT="gcc (Debian 10.2.1-6) 10.2.1 20210110"
 CONFIG_CC_IS_GCC=y
 CONFIG_GCC_VERSION=100201
diff --git a/debian/control b/debian/control
index 9005001..cf58b92 100644
--- a/debian/control
+++ b/debian/control
@@ -27,7 +27,7 @@ Build-Depends: asciidoc,
                xmlto,
                zlib1g-dev,
                zstd
-Build-Conflicts: pve-headers-6.1.20-generic,
+Build-Conflicts: pve-headers-6.1.21-generic,
 Vcs-Git: git://github.com/fabianishere/pve-generic-kernel.git
 Vcs-Browser: https://github.com/fabianishere/pve-generic-kernel
 
@@ -46,7 +46,7 @@ Package: pve-headers-6.1-generic
 Architecture: all
 Section: admin
 Priority: optional
-Depends: pve-headers-6.1.20-generic,
+Depends: pve-headers-6.1.21-generic,
 Description: Latest Proxmox Edge Kernel Headers
  This is a metapackage which will install the kernel headers
  for the latest available Proxmox Edge kernel from the 6.1
@@ -57,12 +57,12 @@ Architecture: all
 Section: admin
 Priority: optional
 Depends: pve-firmware,
-         pve-kernel-6.1.20-generic,
+         pve-kernel-6.1.21-generic,
 Description: Latest Proxmox Edge Kernel Image
  This is a metapackage which will install the latest available
  Proxmox Edge kernel from the 6.1 series.
 
-Package: pve-headers-6.1.20-generic
+Package: pve-headers-6.1.21-generic
 Section: devel
 Priority: optional
 Architecture: any
@@ -72,7 +72,7 @@ Depends:
 Description: The Proxmox Edge Kernel Headers
  This package contains the Proxmox Edge Linux kernel headers
 
-Package: pve-kernel-6.1.20-generic
+Package: pve-kernel-6.1.21-generic
 Section: admin
 Priority: optional
 Architecture: any
diff --git a/linux b/linux
index 7eaef76..e3a87a1 160000
--- a/linux
+++ b/linux
@@ -1 +1 @@
-Subproject commit 7eaef76fbc4621ced374c85dbc000dd80dc681d7
+Subproject commit e3a87a10f2591f296d1a50c5af6820e2181d564a