diff --git a/skyscraper8/Skyscraper/Scraper/Storage/InMemory/InMemoryScraperStorage.cs b/skyscraper8/Skyscraper/Scraper/Storage/InMemory/InMemoryScraperStorage.cs
index a65711c..f0bdad5 100644
--- a/skyscraper8/Skyscraper/Scraper/Storage/InMemory/InMemoryScraperStorage.cs
+++ b/skyscraper8/Skyscraper/Scraper/Storage/InMemory/InMemoryScraperStorage.cs
@@ -1928,9 +1928,16 @@ namespace skyscraper5.Skyscraper.Scraper.Storage.InMemory
 			tims[key] = currentTim;
 		}
 
+		private Dictionary<string, Tuple<UpdateNotificationGroup, UpdateNotificationTarget>> knownUnts;
 		public void StoreUpdateNotification2(UpdateNotificationGroup common, UpdateNotificationTarget target)
 		{
-			throw new NotImplementedException();
+			if (knownUnts == null)
+				knownUnts = new Dictionary<string, Tuple<UpdateNotificationGroup, UpdateNotificationTarget>>();
+
+			if (knownUnts.ContainsKey(common.Oui))
+				return;
+
+			knownUnts[common.Oui] = new Tuple<UpdateNotificationGroup, UpdateNotificationTarget>(common, target);
 		}
 	}
 }
diff --git a/skyscraper8/VersionInfo.cs b/skyscraper8/VersionInfo.cs
index e968496..d1b953c 100644
--- a/skyscraper8/VersionInfo.cs
+++ b/skyscraper8/VersionInfo.cs
@@ -4,7 +4,7 @@ namespace skyscraper8;
 
 public class VersionInfo
 {
-    private const int PUBLIC_RELEASE = 17;
+    private const int PUBLIC_RELEASE = 18;
 
     public static int GetPublicReleaseNumber()
     {