diff --git a/docker/Dockerfile b/docker/Dockerfile
index 4103a14..ae3dd1b 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,4 +1,4 @@
-FROM balenalib/raspberrypi3:bookworm-20240227
+FROM balenalib/raspberrypi3:bullseye-20240401
 
 ENV QEMU_CPU=max
 ENV DEBIAN_FRONTEND=noninteractive
diff --git a/docker/Dockerfile.arm64 b/docker/Dockerfile.arm64
index 4793edb..c5f5e37 100644
--- a/docker/Dockerfile.arm64
+++ b/docker/Dockerfile.arm64
@@ -1,8 +1,13 @@
-FROM balenalib/raspberrypi3-64:bookworm-20240401
+FROM balenalib/raspberrypi3-64:bullseye-20240401
 
 ENV QEMU_CPU=max
 ENV DEBIAN_FRONTEND=noninteractive
 
+RUN install_packages gnupg
+
+RUN echo "deb http://archive.raspberrypi.org/debian/ bullseye main" > /etc/apt/sources.list.d/raspi.list \
+  && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 82B129927FA3303E
+
 RUN install_packages \
  build-essential \
  procps \