diff --git a/Makefile b/Makefile
index 7ebba95..d3725ac 100644
--- a/Makefile
+++ b/Makefile
@@ -63,7 +63,7 @@ build-fw:
 	mkdir -p $(RELEASE_DIR)
 	for device in $(DEVICES); do \
 		cp \
-			build/heads/build/$${device}/PureBoot*.rom \
+			build/heads/build/$${device}/pureboot*.rom \
 			$(RELEASE_DIR)/$${device}.rom ; \
 	done
 
diff --git a/config/buildroot/board/x86_64/linux.config b/config/buildroot/board/x86_64/linux.config
index 7c7633d..311ff68 100644
--- a/config/buildroot/board/x86_64/linux.config
+++ b/config/buildroot/board/x86_64/linux.config
@@ -1,5 +1,6 @@
+CONFIG_LOCALVERSION="AirgapOS"
 # CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_BUILD_SALT="4.19.0-5-amd64"
+CONFIG_BUILD_SALT="5.7.19-amd64"
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 CONFIG_USELIB=y
@@ -31,6 +32,11 @@ CONFIG_USER_NS=y
 CONFIG_CHECKPOINT_RESTORE=y
 CONFIG_SCHED_AUTOGROUP=y
 CONFIG_BLK_DEV_INITRD=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_RD_XZ is not set
+# CONFIG_RD_LZO is not set
+# CONFIG_RD_LZ4 is not set
 CONFIG_EXPERT=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_BPF_SYSCALL=y
@@ -38,7 +44,6 @@ CONFIG_USERFAULTFD=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB_FREELIST_RANDOM=y
 CONFIG_SLAB_FREELIST_HARDENED=y
-CONFIG_PROFILING=y
 CONFIG_SMP=y
 CONFIG_X86_X2APIC=y
 # CONFIG_X86_EXTENDED_PLATFORM is not set
@@ -117,7 +122,6 @@ CONFIG_EFI_BOOTLOADER_CONTROL=m
 CONFIG_EFI_CAPSULE_LOADER=m
 CONFIG_APPLE_PROPERTIES=y
 # CONFIG_VIRTUALIZATION is not set
-CONFIG_OPROFILE=m
 CONFIG_KPROBES=y
 CONFIG_JUMP_LABEL=y
 CONFIG_COMPAT_32BIT_TIME=y
@@ -1540,6 +1544,7 @@ CONFIG_CRC64=m
 CONFIG_CRC7=m
 CONFIG_LIBCRC32C=y
 CONFIG_CRC8=m
+CONFIG_XZ_DEC=y
 # CONFIG_XZ_DEC_POWERPC is not set
 # CONFIG_XZ_DEC_IA64 is not set
 # CONFIG_XZ_DEC_ARM is not set
diff --git a/config/buildroot/configs/airgap_x86_64_defconfig b/config/buildroot/configs/airgap_x86_64_defconfig
index 6c17fca..c90bc0c 100644
--- a/config/buildroot/configs/airgap_x86_64_defconfig
+++ b/config/buildroot/configs/airgap_x86_64_defconfig
@@ -3353,8 +3353,8 @@ BR2_PACKAGE_XVISOR_ARCH_SUPPORTS=y
 # BR2_TARGET_ROOTFS_BTRFS is not set
 # BR2_TARGET_ROOTFS_CLOOP is not set
 BR2_TARGET_ROOTFS_CPIO=y
-BR2_TARGET_ROOTFS_CPIO_NONE=y
-# BR2_TARGET_ROOTFS_CPIO_GZIP is not set
+# BR2_TARGET_ROOTFS_CPIO_NONE is not set
+BR2_TARGET_ROOTFS_CPIO_GZIP=y
 # BR2_TARGET_ROOTFS_CPIO_BZIP2 is not set
 # BR2_TARGET_ROOTFS_CPIO_LZ4 is not set
 # BR2_TARGET_ROOTFS_CPIO_LZMA is not set
diff --git a/config/config.env b/config/config.env
index 6f6fa40..ae1c7db 100644
--- a/config/config.env
+++ b/config/config.env
@@ -1,2 +1,2 @@
 BUILDROOT_REF=2766f346195dec29b53bc09f6038193998ea3693
-HEADS_REF=e30e3bf3e540b541aa68155233ad1106c8b8631e
+HEADS_REF=6e62c83e164231c629d77a45d37569b3bff43d3f
diff --git a/config/heads/patches/usb-boot.patch b/config/heads/patches/usb-boot.patch
deleted file mode 100644
index 968665b..0000000
--- a/config/heads/patches/usb-boot.patch
+++ /dev/null
@@ -1,80 +0,0 @@
-diff --git a/initrd/bin/gui-init b/initrd/bin/gui-init
-index 38953ca..1740da6 100755
---- a/initrd/bin/gui-init
-+++ b/initrd/bin/gui-init
-@@ -13,6 +13,11 @@ mount_boot()
-   
-   # Mount local disk if it is not already mounted
-   while ! grep -q /boot /proc/mounts ; do
-+
-+    if [ "$CONFIG_BOOT_USB" = "y" ]; then
-+        enable_usb
-+    fi
-+
-     # try to mount if CONFIG_BOOT_DEV exists
-     if [ -e "$CONFIG_BOOT_DEV" ]; then
-       mount -o ro $CONFIG_BOOT_DEV /boot 
-diff --git a/initrd/bin/mount-usb b/initrd/bin/mount-usb
-index 501171a..2196bbd 100755
---- a/initrd/bin/mount-usb
-+++ b/initrd/bin/mount-usb
-@@ -4,19 +4,6 @@
- 
- enable_usb
- 
--if ! lsmod | grep -q usb_storage; then
--  count=$(ls /dev/sd* 2>/dev/null | wc -l)
--  timeout=0
--  echo "Scanning for USB storage devices..."
--  insmod /lib/modules/usb-storage.ko >/dev/null 2>&1 \
--  || die "usb_storage: module load failed"
--  while [[ $count == $(ls /dev/sd* 2>/dev/null | wc -l) ]]; do 
--    [[ $timeout -ge 4 ]] && break
--    sleep 1
--    timeout=$(($timeout+1))
--  done
--fi
--
- if [ ! -d /media ]; then
-   mkdir /media
- fi
-diff --git a/initrd/bin/usb-scan b/initrd/bin/usb-scan
-index d9f26b0..330d672 100755
---- a/initrd/bin/usb-scan
-+++ b/initrd/bin/usb-scan
-@@ -5,12 +5,6 @@ set -e -o pipefail
- . /etc/gui_functions
- . /tmp/config
- 
--# Unmount any previous boot device
--if grep -q /boot /proc/mounts ; then
--	umount /boot \
--		|| die "Unable to unmount /boot"
--fi
--
- # Mount the USB boot device
- mount_usb || die "Unable to mount /media"
- 
-diff --git a/initrd/etc/functions b/initrd/etc/functions
-index dc0fbed..00afcdb 100755
---- a/initrd/etc/functions
-+++ b/initrd/etc/functions
-@@ -122,6 +122,18 @@ enable_usb()
- 		|| die "xhci_pci: module load failed"
- 		sleep 2
- 	fi
-+	if ! lsmod | grep -q usb_storage; then
-+	  count=$(ls /dev/sd* 2>/dev/null | wc -l)
-+	  timeout=0
-+	  echo "Scanning for USB storage devices..."
-+	  insmod /lib/modules/usb-storage.ko >/dev/null 2>&1 \
-+	  || die "usb_storage: module load failed"
-+	  while [[ $count == $(ls /dev/sd* 2>/dev/null | wc -l) ]]; do 
-+	    [[ $timeout -ge 4 ]] && break
-+	    sleep 1
-+	    timeout=$(($timeout+1))
-+	  done
-+	fi
- }
- 
- confirm_gpg_card()