diff --git a/src/Appwrite/Migration/Version/V20.php b/src/Appwrite/Migration/Version/V20.php
index 1a599d32f2..5a0807cedf 100644
--- a/src/Appwrite/Migration/Version/V20.php
+++ b/src/Appwrite/Migration/Version/V20.php
@@ -336,6 +336,32 @@ class V20 extends Migration
                         Console::warning("Purge cache from {$id}: {$th->getMessage()}");
                     }
 
+                    break;
+                case 'topics':
+                    try {
+                        $this->projectDB->updateAttributeDefault($id, 'emailTotal', 0);
+                    } catch (Throwable $th) {
+                        Console::warning("'topics' from {$id}: {$th->getMessage()}");
+                    }
+
+                    try {
+                        $this->projectDB->updateAttributeDefault($id, 'pushTotal', 0);
+                    } catch (Throwable $th) {
+                        Console::warning("'topics' from {$id}: {$th->getMessage()}");
+                    }
+
+                    try {
+                        $this->projectDB->updateAttributeDefault($id, 'smsTotal', 0);
+                    } catch (Throwable $th) {
+                        Console::warning("'topics' from {$id}: {$th->getMessage()}");
+                    }
+
+                    try {
+                        $this->projectDB->purgeCachedCollection($id);
+                    } catch (Throwable $th) {
+                        Console::warning("Purge cache from {$id}: {$th->getMessage()}");
+                    }
+
                     break;
             }