diff --git a/src/lib/features/metrics/unknown-flags/unknown-flags-store.ts b/src/lib/features/metrics/unknown-flags/unknown-flags-store.ts
index 7659dbd2af..e754f5de0c 100644
--- a/src/lib/features/metrics/unknown-flags/unknown-flags-store.ts
+++ b/src/lib/features/metrics/unknown-flags/unknown-flags-store.ts
@@ -33,7 +33,10 @@ export class UnknownFlagsStore implements IUnknownFlagsStore {
                     app_name: flag.appName,
                     seen_at: flag.seenAt,
                 }));
-                await tx(TABLE).insert(rows);
+                await tx(TABLE)
+                    .insert(rows)
+                    .onConflict(['name', 'app_name'])
+                    .merge(['seen_at']);
             }
         });
     }