diff --git a/gui b/gui
index e64fff2..58faa8d 100755
--- a/gui
+++ b/gui
@@ -120,11 +120,6 @@ runonce <<"EOF"
     sudo apt install -y curl
   fi
 EOF
-
-#run sudo apt update once to fix everyone's "repo's Suite value was changed from stable to oldstable"
-runonce <<"EOF"
-  sudo apt update &>/dev/null
-EOF
 ) &
 
 install() {
diff --git a/pkg-install b/pkg-install
index 053eec1..24cdd1d 100755
--- a/pkg-install
+++ b/pkg-install
@@ -140,7 +140,7 @@ apt_lock_wait
 #sudo apt update
 {
 echo -e "Running \e[4msudo a\e[0mp\e[4mt u\e[0mp\e[4mdate\e[0m..."
-output="$(sudo -E apt update 2>&1 | tee /dev/stderr | reduceapt)"
+output="$(sudo -E apt update --allow-releaseinfo-change 2>&1 | tee /dev/stderr | reduceapt)"
 exitcode=$?
 
 #inform user about autoremovable packages
@@ -261,6 +261,7 @@ fi
 #ensure dummy deb isn't already installed
 if dpkg -l pi-apps-$appnamehash &>/dev/null ;then
   echo -e "\e[97m\nDummy deb is already installed. Uninstalling it first...\e[39m"
+  apt_lock_wait
   output="$(sudo -E apt purge -y pi-apps-$appnamehash 2>&1 | reduceapt | tee /dev/stderr )"
   if [ $? != 0 ];then
     echo "$output" | apt_diagnose