incorporating the review comment

voipbit · voipbit · commit e6d662efb955 · 2018-10-01T02:15:04.000+05:30
Signed-off-by: vikash srivastava &lt;srivastava.vikash@outlook.com&gt;
diff --git a/app.json b/app.json
@@ -20,7 +20,7 @@
     {
       "plan": "heroku-postgresql",
       "options": {
-        "version": "9.5"
+        "version": "10"
       }
     }
   ]
