diff --git a/stage3/00-configure-apt/00-run.sh b/stage3/00-configure-apt/00-run.sh
new file mode 100755
index 0000000..c4992aa
--- /dev/null
+++ b/stage3/00-configure-apt/00-run.sh
@@ -0,0 +1,8 @@
+#!/bin/bash -e
+
+install -m 644 files/blokas.list ${ROOTFS_DIR}/etc/apt/sources.list.d/
+
+on_chroot apt-key add - < files/blokas.gpg.key
+on_chroot << EOF
+apt-get update
+EOF
diff --git a/stage3/00-configure-apt/files/blokas.gpg.key b/stage3/00-configure-apt/files/blokas.gpg.key
new file mode 100644
index 0000000..98cc299
--- /dev/null
+++ b/stage3/00-configure-apt/files/blokas.gpg.key
@@ -0,0 +1,30 @@
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+Version: GnuPG v1
+
+mQENBFnGbQoBCACgy7jiYrM+ks27KP3dKYd1AatJuHJvk9bWAxJVfZWth3F8Casf
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+60OKbyUQt+HJx8s+7Yw4lXYaLZqJ0e7tDW4WQxqqVc9fm7Vm
+=7IOz
+-----END PGP PUBLIC KEY BLOCK-----
diff --git a/stage3/00-configure-apt/files/blokas.list b/stage3/00-configure-apt/files/blokas.list
new file mode 100644
index 0000000..605e58a
--- /dev/null
+++ b/stage3/00-configure-apt/files/blokas.list
@@ -0,0 +1 @@
+deb http://apt.blokas.io/ rpi main
diff --git a/stage3/00-install-packages/00-debconf b/stage3/01-install-packages/00-debconf
similarity index 100%
rename from stage3/00-install-packages/00-debconf
rename to stage3/01-install-packages/00-debconf
diff --git a/stage3/00-install-packages/00-packages b/stage3/01-install-packages/00-packages
similarity index 100%
rename from stage3/00-install-packages/00-packages
rename to stage3/01-install-packages/00-packages
diff --git a/stage3/00-install-packages/00-packages-nr b/stage3/01-install-packages/00-packages-nr
similarity index 100%
rename from stage3/00-install-packages/00-packages-nr
rename to stage3/01-install-packages/00-packages-nr
diff --git a/stage3/00-install-packages/01-run.sh b/stage3/01-install-packages/01-run.sh
similarity index 100%
rename from stage3/00-install-packages/01-run.sh
rename to stage3/01-install-packages/01-run.sh
diff --git a/stage3/02-install-rt-kernel/01-run.sh b/stage3/02-install-rt-kernel/01-run.sh
deleted file mode 100755
index 30dd03e..0000000
--- a/stage3/02-install-rt-kernel/01-run.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/bash -e
-
-wget https://github.com/BlokasLabs/rpi-kernel-rt/archive/${RT_KERNEL_VERSION}.tar.gz -O /tmp/${RT_KERNEL_VERSION}.tar.gz
-
-# Remove regular kernel modules.
-rm -r ${ROOTFS_DIR}/lib/modules/*
-
-tar -xvf /tmp/${RT_KERNEL_VERSION}.tar.gz --strip 1 -C ${ROOTFS_DIR}/
-rm /tmp/${RT_KERNEL_VERSION}.tar.gz
diff --git a/stage3/01-tweaks/00-run.sh b/stage3/02-tweaks/00-run.sh
similarity index 100%
rename from stage3/01-tweaks/00-run.sh
rename to stage3/02-tweaks/00-run.sh
diff --git a/stage3/03-install-rt-kernel/00-packages b/stage3/03-install-rt-kernel/00-packages
new file mode 100644
index 0000000..0ea2bf3
--- /dev/null
+++ b/stage3/03-install-rt-kernel/00-packages
@@ -0,0 +1,2 @@
+raspberrypi-kernel-rt
+