diff --git a/Extensions/Networker.Extensions.MessagePack/Networker.Extensions.MessagePack.csproj b/Extensions/Networker.Extensions.MessagePack/Networker.Extensions.MessagePack.csproj
index 9f29df8..b314a01 100644
--- a/Extensions/Networker.Extensions.MessagePack/Networker.Extensions.MessagePack.csproj
+++ b/Extensions/Networker.Extensions.MessagePack/Networker.Extensions.MessagePack.csproj
@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack" Version="1.7.3.4" />
+    <PackageReference Include="MessagePack" Version="1.9.3" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/Tests/Networker.Tests.MessagePack/Networker.Tests.MessagePack.csproj b/Tests/Networker.Tests.MessagePack/Networker.Tests.MessagePack.csproj
index c5c2618..865aeea 100644
--- a/Tests/Networker.Tests.MessagePack/Networker.Tests.MessagePack.csproj
+++ b/Tests/Networker.Tests.MessagePack/Networker.Tests.MessagePack.csproj
@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="MessagePack" Version="1.7.3.4" />
+    <PackageReference Include="MessagePack" Version="1.9.3" />
     <PackageReference Include="Microsoft.Extensions.Logging.Console" Version="2.2.0" />
   </ItemGroup>