diff --git a/bin/mac-update-postgres.sh b/bin/mac-update-postgres.sh
index b4f9c4a..cd5f2ba 100755
--- a/bin/mac-update-postgres.sh
+++ b/bin/mac-update-postgres.sh
@@ -5,10 +5,13 @@ brew install golang-migrate || echo "golang-migrate is already installed"
 if brew ls postgresql@14 >/dev/null 2>&1 ; then
   echo "postgresql@14 already installed"
 else
-  # We do not have pg14 installed
-  brew install postgresql@14
+  # here we do not have pg14 installed
+  brew install postgresql@14 --overwrite --force
+  brew link postgresql@14 --overwrite --force # sometimes old versions linger
 fi
 brew services stop postgresql@11 || echo "postgresql@11 not running"
+
+brew postgresql-upgrade-database
 brew services start postgresql@14 || echo "postgresql@14 is already running"
 psql --quiet -c "CREATE ROLE postgres LOGIN SUPERUSER;" postgres;
 ~/khan/webapp/services/progress-reports/create_databases.sh