diff --git a/installer-builder/darwin/Resources/uninstall.sh b/installer-builder/darwin/Resources/uninstall.sh
index ab60a0285..41ccbdd6c 100755
--- a/installer-builder/darwin/Resources/uninstall.sh
+++ b/installer-builder/darwin/Resources/uninstall.sh
@@ -24,7 +24,12 @@ if [ "$(readlink '/usr/local/bin/finch')" = "/Applications/Finch/bin/finch" ]; t
 echo "[1/3] [DONE] Successfully deleted shortcut links"
 
 #forget from pkgutil
-pkgutil --forget "org.Finch.__VERSION__" > /dev/null 2>&1
+echo "Remove historical pkgutil packages..."
+pkgutil --pkgs | grep '^org\.Finch\.' | while read -r pkg; do
+    echo "Forgetting package $pkg"
+    sudo pkgutil --forget "$pkg" > /dev/null 2>&1
+done
+
 if [ $? -eq 0 ]
 then
   echo "[2/3] [DONE] Successfully deleted application informations"
diff --git a/installer-builder/darwin/scripts/postinstall b/installer-builder/darwin/scripts/postinstall
index a0ce9e26b..a9dc98e74 100755
--- a/installer-builder/darwin/scripts/postinstall
+++ b/installer-builder/darwin/scripts/postinstall
@@ -25,4 +25,11 @@ sudo rm -rf "/opt/finch/"
 sudo rm -rf "/private/var/run/finch-lima"
 sudo rm -rf "/private/etc/sudoers.d/finch-lima"
 
+# Forget previous pkgutil packages starting with org.Finch except for the current version
+echo "Remove historical pkgutil packages..."
+pkgutil --pkgs | grep '^org\.Finch\.' | grep -v '^org\.Finch\.__VERSION__' | while read -r pkg; do
+    echo "Forgetting package $pkg"
+    sudo pkgutil --forget "$pkg"
+done
+
 echo "Post installation process finished."