diff --git a/debian/changelog b/debian/changelog
index 9ef23dad9482ec9659eecaf301e5cd18b63f3770..25d13ec2ec2a7c8076375ee840cd8d7d553e5a3e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+systemd (247.3-6+apertis2) apertis; urgency=medium
+
+  * d/p/basic-linux-Sync-if_arp.h-with-Linux-5.14.patch:
+    Fix compilation on kernel 5.14+
+
+ -- Ryan Gonzalez <ryan.gonzalez@collabora.com>  Thu, 13 Jan 2022 15:27:00 -0600
+
 systemd (247.3-6+apertis1) apertis; urgency=medium
 
   * Merge from Debian Bullseye. Remaining changes:
diff --git a/debian/patches/apertis/basic-linux-Sync-if_arp.h-with-Linux-5.14.patch b/debian/patches/apertis/basic-linux-Sync-if_arp.h-with-Linux-5.14.patch
new file mode 100644
index 0000000000000000000000000000000000000000..5a8d981091e36bafb59379af524cb5989f3563a2
--- /dev/null
+++ b/debian/patches/apertis/basic-linux-Sync-if_arp.h-with-Linux-5.14.patch
@@ -0,0 +1,23 @@
+From: Chris Packham <chris.packham@alliedtelesis.co.nz>
+Date: Fri, 10 Sep 2021 09:51:36 +1200
+Subject: basic/linux: Sync if_arp.h with Linux 5.14
+
+ARPHRD_MCTP was added in 5.14. Sync if_arp.h to pick up the definition
+
+Fixes #20694
+---
+ src/basic/linux/if_arp.h | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/src/basic/linux/if_arp.h b/src/basic/linux/if_arp.h
+index c3cc5a9..4783af9 100644
+--- a/src/basic/linux/if_arp.h
++++ b/src/basic/linux/if_arp.h
+@@ -54,6 +54,7 @@
+ #define ARPHRD_X25	271		/* CCITT X.25			*/
+ #define ARPHRD_HWX25	272		/* Boards with X.25 in firmware	*/
+ #define ARPHRD_CAN	280		/* Controller Area Network      */
++#define ARPHRD_MCTP	290
+ #define ARPHRD_PPP	512
+ #define ARPHRD_CISCO	513		/* Cisco HDLC	 		*/
+ #define ARPHRD_HDLC	ARPHRD_CISCO
diff --git a/debian/patches/series b/debian/patches/series
index 51903b5f6d5a5f3ce980aff3799ed1f1e31f43aa..af5a7aa2ea42855f4071ae5b0364bf0bee07cd0e 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -39,3 +39,4 @@ apertis/Reworked-kernel-install-script.patch
 apertis/Remove-bashisms-from-the-entry-directory-plugin.patch
 apertis/kernel-install-allow-to-create-BOOT-MACHINE_ID.patch
 apertis/Fix-the-path-to-bootable-binaries-in-efi-entry.patch
+apertis/basic-linux-Sync-if_arp.h-with-Linux-5.14.patch