diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23b8cd0c83..03a0fac6b4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Changelog
 
 ## Unreleased
+- Bundle BitBox02 firmware version v9.21.0
 - Bitcoin: add support for sending to silent payment (BIP-352) addresses
 - Prevent macOS from going to sleep on long running interactions with the BitBox
 
diff --git a/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.20.0.signed.bin.gz b/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.20.0.signed.bin.gz
deleted file mode 100644
index 5f4a308bab..0000000000
Binary files a/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.20.0.signed.bin.gz and /dev/null differ
diff --git a/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.20.0.signed.bin.sha256 b/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.20.0.signed.bin.sha256
deleted file mode 100644
index 3567bbf4f1..0000000000
--- a/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.20.0.signed.bin.sha256
+++ /dev/null
@@ -1 +0,0 @@
-b6d3152f3b601bb8bace731a392221d510b50929f3e40fe258534f7bdd4f5f86
\ No newline at end of file
diff --git a/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.21.0.signed.bin.gz b/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.21.0.signed.bin.gz
new file mode 100644
index 0000000000..89785c2609
Binary files /dev/null and b/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.21.0.signed.bin.gz differ
diff --git a/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.21.0.signed.bin.sha256 b/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.21.0.signed.bin.sha256
new file mode 100644
index 0000000000..5a239a1012
--- /dev/null
+++ b/backend/devices/bitbox02bootloader/assets/firmware-btc.v9.21.0.signed.bin.sha256
@@ -0,0 +1 @@
+36895857c346c1fbd0d206853b7031e985c1a959e9f7f9396a7ae94dfffa9679
\ No newline at end of file
diff --git a/backend/devices/bitbox02bootloader/assets/firmware.v9.20.0.signed.bin.gz b/backend/devices/bitbox02bootloader/assets/firmware.v9.20.0.signed.bin.gz
deleted file mode 100644
index 018cc37d7a..0000000000
Binary files a/backend/devices/bitbox02bootloader/assets/firmware.v9.20.0.signed.bin.gz and /dev/null differ
diff --git a/backend/devices/bitbox02bootloader/assets/firmware.v9.20.0.signed.bin.sha256 b/backend/devices/bitbox02bootloader/assets/firmware.v9.20.0.signed.bin.sha256
deleted file mode 100644
index ec1a10ed51..0000000000
--- a/backend/devices/bitbox02bootloader/assets/firmware.v9.20.0.signed.bin.sha256
+++ /dev/null
@@ -1 +0,0 @@
-8f43ba379c025242ca1313b7cb36b20aca750845c4d2c630dc31a6ed162c32a3
\ No newline at end of file
diff --git a/backend/devices/bitbox02bootloader/assets/firmware.v9.21.0.signed.bin.gz b/backend/devices/bitbox02bootloader/assets/firmware.v9.21.0.signed.bin.gz
new file mode 100644
index 0000000000..138e884a5f
Binary files /dev/null and b/backend/devices/bitbox02bootloader/assets/firmware.v9.21.0.signed.bin.gz differ
diff --git a/backend/devices/bitbox02bootloader/assets/firmware.v9.21.0.signed.bin.sha256 b/backend/devices/bitbox02bootloader/assets/firmware.v9.21.0.signed.bin.sha256
new file mode 100644
index 0000000000..2f65433e4f
--- /dev/null
+++ b/backend/devices/bitbox02bootloader/assets/firmware.v9.21.0.signed.bin.sha256
@@ -0,0 +1 @@
+35c691d69d22f96cb0efc201dddf57c25afd09c850104925b8cea6d7f60850f5
\ No newline at end of file
diff --git a/backend/devices/bitbox02bootloader/firmware.go b/backend/devices/bitbox02bootloader/firmware.go
index b88343d90e..c41f2bf680 100644
--- a/backend/devices/bitbox02bootloader/firmware.go
+++ b/backend/devices/bitbox02bootloader/firmware.go
@@ -32,15 +32,15 @@ var intermediateFirmwareBinaryBTCOnly_9_17_1 []byte
 //go:embed assets/firmware.v9.17.1.signed.bin.gz
 var intermediateFirmwareBinaryMulti_9_17_1 []byte
 
-//go:embed assets/firmware-btc.v9.20.0.signed.bin.gz
+//go:embed assets/firmware-btc.v9.21.0.signed.bin.gz
 var firmwareBinaryBTCOnly []byte
-var firmwareVersionBTCOnly = semver.NewSemVer(9, 20, 0)
-var firmwareMonotonicVersionBtcOnly uint32 = 40
+var firmwareVersionBTCOnly = semver.NewSemVer(9, 21, 0)
+var firmwareMonotonicVersionBtcOnly uint32 = 41
 
-//go:embed assets/firmware.v9.20.0.signed.bin.gz
+//go:embed assets/firmware.v9.21.0.signed.bin.gz
 var firmwareBinaryMulti []byte
-var firmwareVersionMulti = semver.NewSemVer(9, 20, 0)
-var firmwareMonotonicVersionMulti uint32 = 40
+var firmwareVersionMulti = semver.NewSemVer(9, 21, 0)
+var firmwareMonotonicVersionMulti uint32 = 41
 
 type firmwareInfo struct {
 	version          *semver.SemVer