diff --git a/templates/prep-scripts/debian_prep.sh.j2 b/templates/prep-scripts/debian_prep.sh.j2
index 24eb0d12..31a9325b 100644
--- a/templates/prep-scripts/debian_prep.sh.j2
+++ b/templates/prep-scripts/debian_prep.sh.j2
@@ -17,6 +17,9 @@ apt-get update
 apt-get install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" --force-yes eatmydata
 export LD_PRELOAD=/usr/lib/{{ ansible_facts['architecture'] }}-linux-gnu/libeatmydata.so
 
+#Chroots are built with phased updates disabled, so we must disable them at runtime to avoid package version errors
+echo "APT::Get::Always-Include-Phased-Updates \"true\";" | tee /etc/apt/apt.conf.d/95phased-updates
+
 apt-get install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" --force-yes gnupg
 apt-get upgrade -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" --force-yes
 apt-get install -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" --force-yes {{ lxc_cache_distro_packages | join(' ') }}