diff --git a/Directory.Packages.props b/Directory.Packages.props
index 0a9a239e..aa64d68a 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -24,7 +24,7 @@
     <PackageVersion Include="Spectre.Console" Version="0.48.0" />
     <PackageVersion Include="Spectre.Console.Analyzer" Version="0.48.0" />
     <PackageVersion Include="Spectre.Console.Cli" Version="0.48.0" />
-    <PackageVersion Include="SuperLinq" Version="5.4.0" />
+    <PackageVersion Include="SuperLinq" Version="6.0.0" />
     <PackageVersion Include="System.Data.HashFunction.FNV" Version="2.0.0" />
     <PackageVersion Include="System.Private.Uri" Version="4.3.2" />
     <PackageVersion Include="System.Reactive" Version="6.0.0" />
diff --git a/src/Recyclarr.Cli/Pipelines/CustomFormat/Cache/CustomFormatCache.cs b/src/Recyclarr.Cli/Pipelines/CustomFormat/Cache/CustomFormatCache.cs
index 6be7679c..429fdae3 100644
--- a/src/Recyclarr.Cli/Pipelines/CustomFormat/Cache/CustomFormatCache.cs
+++ b/src/Recyclarr.Cli/Pipelines/CustomFormat/Cache/CustomFormatCache.cs
@@ -21,7 +21,7 @@ public class CustomFormatCache(IEnumerable<TrashIdMapping> mappings)
         _mappings = _mappings
             .DistinctBy(x => x.CustomFormatId)
             .Where(x => transactions.DeletedCustomFormats.All(y => y.CustomFormatId != x.CustomFormatId))
-            .FullOuterJoin(existingCfs, JoinType.Hash,
+            .FullOuterHashJoin(existingCfs,
                 l => l.CustomFormatId,
                 r => r.Id,
                 // Keep existing service CFs, even if they aren't in user config
diff --git a/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileTransactionPhase.cs b/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileTransactionPhase.cs
index 09be4781..d54c2670 100644
--- a/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileTransactionPhase.cs
+++ b/src/Recyclarr.Cli/Pipelines/QualityProfile/PipelinePhases/QualityProfileTransactionPhase.cs
@@ -121,7 +121,7 @@ public class QualityProfileTransactionPhase(QualityProfileStatCalculator statCal
         QualityProfileDto profileDto)
     {
         var scoreMap = profileData.CfScores
-            .FullOuterJoin(profileDto.FormatItems, JoinType.Hash,
+            .FullOuterHashJoin(profileDto.FormatItems,
                 x => x.FormatId,
                 x => x.Format,
                 // Exists in config, but not in service (these are unusual and should be errors)
diff --git a/src/Recyclarr.Cli/Recyclarr.Cli.csproj b/src/Recyclarr.Cli/Recyclarr.Cli.csproj
index 5db8a5ca..5b875b68 100644
--- a/src/Recyclarr.Cli/Recyclarr.Cli.csproj
+++ b/src/Recyclarr.Cli/Recyclarr.Cli.csproj
@@ -15,6 +15,7 @@
     <PackageReference Include="Serilog.Sinks.File" />
     <PackageReference Include="Spectre.Console.Analyzer" PrivateAssets="All" />
     <PackageReference Include="Spectre.Console.Cli" />
+    <PackageReference Include="SuperLinq" />
     <PackageReference Include="System.Data.HashFunction.FNV" />
     <PackageReference Include="SystemTextJson.JsonDiffPatch" />
     <PackageReference Include="TestableIO.System.IO.Abstractions" />
diff --git a/src/Recyclarr.Config/Parsing/PostProcessing/ConfigMerging/ServiceConfigMerger.cs b/src/Recyclarr.Config/Parsing/PostProcessing/ConfigMerging/ServiceConfigMerger.cs
index 9dd40f0d..cd72ffde 100644
--- a/src/Recyclarr.Config/Parsing/PostProcessing/ConfigMerging/ServiceConfigMerger.cs
+++ b/src/Recyclarr.Config/Parsing/PostProcessing/ConfigMerging/ServiceConfigMerger.cs
@@ -91,7 +91,7 @@ public abstract class ServiceConfigMerger<T> where T : ServiceConfigYaml
         return Combine(a, b, (a1, b1) =>
         {
             return a1
-                .FullOuterJoin(b1, JoinType.Hash,
+                .FullOuterHashJoin(b1,
                     x => x.Name,
                     x => x.Name,
                     l => l,
diff --git a/src/Recyclarr.TrashGuide/CustomFormat/CustomFormatDataComparer.cs b/src/Recyclarr.TrashGuide/CustomFormat/CustomFormatDataComparer.cs
index 990715fd..89cf2065 100644
--- a/src/Recyclarr.TrashGuide/CustomFormat/CustomFormatDataComparer.cs
+++ b/src/Recyclarr.TrashGuide/CustomFormat/CustomFormatDataComparer.cs
@@ -30,7 +30,7 @@ public sealed class CustomFormatDataEqualityComparer : IEqualityComparer<CustomF
         }
 
         return first
-            .FullOuterJoin(second, JoinType.Hash, x => x.Name, x => x.Name, _ => false, _ => false, SpecificationEqual)
+            .FullOuterHashJoin(second, x => x.Name, x => x.Name, _ => false, _ => false, SpecificationEqual)
             .All(x => x);
     }
 
@@ -53,7 +53,7 @@ public sealed class CustomFormatDataEqualityComparer : IEqualityComparer<CustomF
         }
 
         return first
-            .FullOuterJoin(second, JoinType.Hash, x => x.Name, x => x.Name, _ => false, _ => false, FieldEqual)
+            .FullOuterHashJoin(second, x => x.Name, x => x.Name, _ => false, _ => false, FieldEqual)
             .All(x => x);
     }