diff --git a/FreePackages.Tests/Apps.cs b/FreePackages.Tests/Apps.cs
index a7d3a76..f76aaa3 100644
--- a/FreePackages.Tests/Apps.cs
+++ b/FreePackages.Tests/Apps.cs
@@ -57,6 +57,7 @@ public void CanDetectRedeemableAppWithAppRequirement() {
 
 		Assert.IsTrue(app.MustOwnAppToPurchase > 0);
 		Assert.IsTrue(PackageFilter.IsRedeemableApp(app));
+		Assert.IsTrue(app.MustOwnAppToPurchase == app.DLCForAppID);
 	}
 
 	[TestMethod]
diff --git a/FreePackages/Data/FilterableApp.cs b/FreePackages/Data/FilterableApp.cs
index 1738eee..3f92703 100644
--- a/FreePackages/Data/FilterableApp.cs
+++ b/FreePackages/Data/FilterableApp.cs
@@ -14,6 +14,7 @@ internal sealed class FilterableApp {
 		internal string? ReleaseState;
 		internal string? State;
 		internal uint MustOwnAppToPurchase;
+		internal uint DLCForAppID;
 		internal List<string>? RestrictedCountries;
 		internal List<string>? PurchaseRestrictedCountries;
 		internal bool AllowPurchaseFromRestrictedCountries;
@@ -41,6 +42,7 @@ internal FilterableApp(uint id, KeyValue kv) {
 			ReleaseState = kv["common"]["releasestate"].AsString();
 			State = kv["extended"]["state"].AsString();
 			MustOwnAppToPurchase = kv["extended"]["mustownapptopurchase"].AsUnsignedInteger();
+			DLCForAppID = kv["extended"]["dlcforappid"].AsUnsignedInteger();
 			RestrictedCountries = kv["common"]["restricted_countries"].AsString()?.ToUpper().Split(",").ToList();
 			PurchaseRestrictedCountries = kv["extended"]["purchaserestrictedcountries"].AsString()?.ToUpper().Split(" ").ToList();
 			AllowPurchaseFromRestrictedCountries = kv["extended"]["allowpurchasefromrestrictedcountries"].AsBoolean();
diff --git a/FreePackages/Handlers/PackageFilter.cs b/FreePackages/Handlers/PackageFilter.cs
index c5d038e..c7aba4a 100644
--- a/FreePackages/Handlers/PackageFilter.cs
+++ b/FreePackages/Handlers/PackageFilter.cs
@@ -66,6 +66,12 @@ internal bool IsRedeemableApp(FilterableApp app, HashSet<uint>? includedAppIDs =
 				return false;
 			}
 
+			if (app.DLCForAppID > 0 && !OwnedAppIDs.Contains(app.DLCForAppID) && (includedAppIDs == null || !includedAppIDs.Contains(app.DLCForAppID))) {
+				// Missing a necessary app
+				// Note: Some apps have only DLCForAppid and are missing MustOwnAppToPurchase, so we need to check this also, ex: https://steamdb.info/app/41046
+				return false;
+			}
+
 			if (app.RestrictedCountries != null && app.RestrictedCountries.Contains(Country, StringComparer.OrdinalIgnoreCase)) {
 				// App is restricted in this bot's country
 				return false;