diff --git a/app.json b/app.json
index 36537fb..fb715d0 100644
--- a/app.json
+++ b/app.json
@@ -65,7 +65,14 @@
             "value": "Levina"
         }
     },
-    "addons": [],
+    "addons": [
+        {
+          "plan": "heroku-postgresql",
+          "options": {
+            "version": "12
+          }
+        }
+    ],
     "buildpacks": [
         {
             "url": "heroku/python"