diff --git a/roles/dns/files/50-dnscrypt-proxy-unattended-upgrades b/roles/dns/files/50-dnscrypt-proxy-unattended-upgrades
index 632bb318..4c679628 100644
--- a/roles/dns/files/50-dnscrypt-proxy-unattended-upgrades
+++ b/roles/dns/files/50-dnscrypt-proxy-unattended-upgrades
@@ -2,3 +2,8 @@
 Unattended-Upgrade::Allowed-Origins {
     "LP-PPA-shevchuk-dnscrypt-proxy:${distro_codename}";
 };
+// Keep the custom conffile when upgrading
+Dpkg::Options {
+   "--force-confdef";
+   "--force-confold";
+};