diff --git a/CHANGES.md b/CHANGES.md
index f001432e0..750b6826c 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -4,7 +4,7 @@
 - New: BTCPay Server PostgreSQL database backup and restore options [details](https://github.com/raspiblitz/raspiblitz/pull/4409)
 - New: Reset option for the self-signed TLS certificate [details](https://github.com/raspiblitz/raspiblitz/pull/4412)
 - New on WebUI: Electrum Connect Screen
-- Update: RaspberryOS base image 2023-12-05 (Debian 12 Bookworm)
+- Update: RaspberryOS arm64 base image 2024-03-15 (Debian 12 Bookworm) [details](https://downloads.raspberrypi.com/raspios_full_arm64/release_notes.txt)
 - Update: amd64 base image: debian-12.5.0-amd64-netinst.iso
 - Update: Bitcoin Core v26.0 [details](https://bitcoincore.org/en/releases/26.0/)
 - Update: LND v0.17.3-beta [details](https://github.com/lightningnetwork/lnd/releases/tag/v0.17.3-beta)
diff --git a/build_sdcard.sh b/build_sdcard.sh
index 0be62066e..5016305a2 100644
--- a/build_sdcard.sh
+++ b/build_sdcard.sh
@@ -2,8 +2,8 @@
 
 #########################################################################
 # Build your SD card image based on: 2023-12-05-raspios-bookworm-arm64.img.xz
-# https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2023-12-06/
-# SHA256: 5c54f0572d61e443a32dfa80aa8d918049814bfc70ab977f2d545eef45f1658e
+# https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2024-03-15/
+# SHA256: 7e53a46aab92051d523d7283c080532bebb52ce86758629bf1951be9b4b0560f
 # also change in: raspiblitz/ci/arm64-rpi/build.arm64-rpi.pkr.hcl
 # PGP fingerprint: 8738CD6B956F460C - to check signature:
 # curl -O https://www.raspberrypi.org/raspberrypi_downloads.gpg.key && gpg --import ./raspberrypi_downloads.gpg.key && gpg --verify *.sig
diff --git a/ci/arm64-rpi/build.arm64-rpi.pkr.hcl b/ci/arm64-rpi/build.arm64-rpi.pkr.hcl
index 96ab3a85d..5726087d3 100644
--- a/ci/arm64-rpi/build.arm64-rpi.pkr.hcl
+++ b/ci/arm64-rpi/build.arm64-rpi.pkr.hcl
@@ -1,8 +1,8 @@
 variable "pack" { default = "lean" }
 variable "github_user" { default = "raspiblitz" }
 variable "branch" { default = "dev" }
-variable "image_link" { default = "https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2023-12-06/2023-12-05-raspios-bookworm-arm64.img.xz" }
-variable "image_checksum" { default = "5c54f0572d61e443a32dfa80aa8d918049814bfc70ab977f2d545eef45f1658e" }
+variable "image_link" { default = "https://downloads.raspberrypi.org/raspios_arm64/images/raspios_arm64-2024-03-15/2024-03-15-raspios-bookworm-arm64.img.xz" }
+variable "image_checksum" { default = "7e53a46aab92051d523d7283c080532bebb52ce86758629bf1951be9b4b0560f" }
 
 source "arm" "raspiblitz-arm64-rpi" {
   file_checksum_type    = "sha256"