diff --git a/installer/debian/conffiles b/installer/debian/conffiles
new file mode 100644
index 0000000000..4aa4aa1622
--- /dev/null
+++ b/installer/debian/conffiles
@@ -0,0 +1,2 @@
+/etc/apt/apt.conf.d/50algorand-upgrades
+/var/lib/algorand/genesis.json
diff --git a/installer/rpm/algorand.spec b/installer/rpm/algorand.spec
index 60e839f24c..35537ac137 100644
--- a/installer/rpm/algorand.spec
+++ b/installer/rpm/algorand.spec
@@ -77,15 +77,15 @@ fi
 /usr/bin/goal
 /var/lib/algorand/config.json.example
 /var/lib/algorand/system.json
-/var/lib/algorand/genesis.json
+%config(noreplace) /var/lib/algorand/genesis.json
 %if %{RELEASE_GENESIS_PROCESS} != "x"
   /var/lib/algorand/genesis/devnet/genesis.json
   /var/lib/algorand/genesis/testnet/genesis.json
   /var/lib/algorand/genesis/mainnet/genesis.json
 %endif
 /lib/systemd/system/algorand.service
-/etc/cron.hourly/0yum-algorand-hourly.cron
-/etc/yum/yum-cron-algorand.conf
+%config(noreplace) /etc/cron.hourly/0yum-algorand-hourly.cron
+%config(noreplace) /etc/yum/yum-cron-algorand.conf
 /etc/pki/rpm-gpg/RPM-GPG-KEY-Algorand
 /usr/lib/algorand/yum.repos.d/algorand.repo
 
diff --git a/scripts/build_deb.sh b/scripts/build_deb.sh
index 7c743d0cef..a125b2b26e 100755
--- a/scripts/build_deb.sh
+++ b/scripts/build_deb.sh
@@ -101,7 +101,7 @@ for f in "${unattended_upgrades_files[@]}"; do
 done
 
 mkdir -p ${PKG_ROOT}/DEBIAN
-debian_files=("control" "postinst" "prerm" "postrm")
+debian_files=("control" "postinst" "prerm" "postrm" "conffiles")
 for ctl in "${debian_files[@]}"; do
     # Copy first, to preserve permissions, then overwrite to fill in template.
     cp -a installer/debian/${ctl} ${PKG_ROOT}/DEBIAN/${ctl}