diff --git a/Makefile b/Makefile
index 0ddf021..25b5bca 100644
--- a/Makefile
+++ b/Makefile
@@ -137,6 +137,7 @@ ifneq ($(shell id -u), 0)
 else
 	$(call link            , ${DIR}                                                                 , /etc/.phdconf                                )
 	$(call link            , /etc/.phdconf/__etc__apt__preferences.d__phd                           , /etc/apt/preferences.d/phd                   )
+	$(call link            , /etc/.phdconf/__etc__apt__apt.conf.d__99phd                            , /etc/apt/apt.conf.d/99phd                    )
 	$(call create_immutable,                                                                          /etc/apt/sources.list.d/phd.sources          )
 	$(call link            , /etc/.phdconf/__etc__apt__sources.list.d__phd.list--${DISTRIB_CODENAME}, /etc/apt/sources.list.d/phd.list             )
 	$(call create_immutable,                                                                          /etc/apt/sources.list.d/steam.list           )
diff --git a/__etc__apt__apt.conf.d__99phd b/__etc__apt__apt.conf.d__99phd
new file mode 100644
index 0000000..4a54435
--- /dev/null
+++ b/__etc__apt__apt.conf.d__99phd
@@ -0,0 +1,6 @@
+Unattended-Upgrade::Origins-Pattern {
+    "origin=*";
+};
+
+// Unattended-Upgrade::OnlyOnACPower "false";
+// Unattended-Upgrade::Skip-Updates-On-Metered-Connections "false";
diff --git a/__etc__apt__preferences.d__phd b/__etc__apt__preferences.d__phd
index d27840f..dcb33bd 100644
--- a/__etc__apt__preferences.d__phd
+++ b/__etc__apt__preferences.d__phd
@@ -10,10 +10,6 @@ Package: *
 Pin: release o=LP-PPA-phd-chromium-browser
 Pin-Priority: 1001
 
-Package: firefox firefox-* thunderbird thunderbird-*
-Pin: release o=Ubuntu
-Pin-Priority: -1
-
 Package: *
 Pin: release o=LP-PPA-phd-firefox
 Pin-Priority: 1001