diff --git a/Neolution.Extensions.Caching.Distributed/Neolution.Extensions.Caching.Distributed.csproj b/Neolution.Extensions.Caching.Distributed/Neolution.Extensions.Caching.Distributed.csproj
index fb55735..446a296 100644
--- a/Neolution.Extensions.Caching.Distributed/Neolution.Extensions.Caching.Distributed.csproj
+++ b/Neolution.Extensions.Caching.Distributed/Neolution.Extensions.Caching.Distributed.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack" Version="2.5.187" />
+    <PackageReference Include="MessagePack" Version="2.5.198" />
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="6.0.0" />
     <PackageReference Include="Neolution.CodeAnalysis" Version="2.6.1">
diff --git a/Neolution.Extensions.Caching.RedisHybrid/MsgPackSerializer.cs b/Neolution.Extensions.Caching.RedisHybrid/MsgPackSerializer.cs
index 730c3db..bff7b81 100644
--- a/Neolution.Extensions.Caching.RedisHybrid/MsgPackSerializer.cs
+++ b/Neolution.Extensions.Caching.RedisHybrid/MsgPackSerializer.cs
@@ -25,7 +25,8 @@ public class MsgPackSerializer : ISerializer
         /// <returns>The deserialized object</returns>
         public object Deserialize(Stream data, Type objectType)
         {
-            return MessagePackSerializer.Deserialize(objectType, data, this.options);
+            return MessagePackSerializer.Deserialize(objectType, data, this.options)
+                ?? throw new InvalidOperationException($"Deserialization returned null for type '{objectType}'.");
         }
 
         /// <summary>
diff --git a/Neolution.Extensions.Caching.RedisHybrid/Neolution.Extensions.Caching.RedisHybrid.csproj b/Neolution.Extensions.Caching.RedisHybrid/Neolution.Extensions.Caching.RedisHybrid.csproj
index f3a40f0..ecdd485 100644
--- a/Neolution.Extensions.Caching.RedisHybrid/Neolution.Extensions.Caching.RedisHybrid.csproj
+++ b/Neolution.Extensions.Caching.RedisHybrid/Neolution.Extensions.Caching.RedisHybrid.csproj
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Foundatio.Redis" Version="10.6.0" />
-    <PackageReference Include="MessagePack" Version="2.4.59" />
+    <PackageReference Include="MessagePack" Version="2.5.198" />
     <PackageReference Include="Neolution.CodeAnalysis" Version="2.6.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>