diff --git a/install_minimal/upgrades/airtime-2.1.3/DbUpgrade.php b/install_minimal/upgrades/airtime-2.1.3/DbUpgrade.php
new file mode 100644
index 000000000..bda71b900
--- /dev/null
+++ b/install_minimal/upgrades/airtime-2.1.3/DbUpgrade.php
@@ -0,0 +1,24 @@
+<?php
+
+/* All functions other than start() should be marked as
+ * private.
+ */
+class AirtimeDatabaseUpgrade{
+
+    public static function start($p_dbValues){
+        echo "* Updating Database".PHP_EOL;
+        self::task0($p_dbValues);
+        echo " * Complete".PHP_EOL;
+    }
+
+    private static function task0($p_dbValues){
+        
+        $username = $p_dbValues['database']['dbuser'];
+        $password = $p_dbValues['database']['dbpass'];
+        $host = $p_dbValues['database']['host'];
+        $database = $p_dbValues['database']['dbname'];
+        $dir = __DIR__;
+        
+        passthru("export PGPASSWORD=$password && psql -h $host -U $username -q -f $dir/data/upgrade.sql $database 2>&1 | grep -v \"will create implicit index\"");
+    }
+}
diff --git a/install_minimal/upgrades/airtime-2.1.3/airtime-upgrade.php b/install_minimal/upgrades/airtime-2.1.3/airtime-upgrade.php
new file mode 100644
index 000000000..042b92d05
--- /dev/null
+++ b/install_minimal/upgrades/airtime-2.1.3/airtime-upgrade.php
@@ -0,0 +1,8 @@
+<?php
+
+require_once 'DbUpgrade.php';
+
+$filename = "/etc/airtime/airtime.conf";
+$values = parse_ini_file($filename, true);
+
+AirtimeDatabaseUpgrade::start($values);
diff --git a/install_minimal/upgrades/airtime-2.1.3/data/upgrade.sql b/install_minimal/upgrades/airtime-2.1.3/data/upgrade.sql
new file mode 100644
index 000000000..0ff1f826c
--- /dev/null
+++ b/install_minimal/upgrades/airtime-2.1.3/data/upgrade.sql
@@ -0,0 +1,4 @@
+DELETE FROM cc_pref WHERE keystr = 'system_version';
+INSERT INTO cc_pref (keystr, valstr) VALUES ('system_version', '2.1.3');
+
+UPDATE cc_show_instances SET time_filled='00:00:00' WHERE time_filled IS NULL;