diff --git a/src/SharpAspect/SharpAspect.csproj b/src/SharpAspect/SharpAspect.csproj
index 59b7b65..a7c90d7 100644
--- a/src/SharpAspect/SharpAspect.csproj
+++ b/src/SharpAspect/SharpAspect.csproj
@@ -18,7 +18,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Castle.Core" Version="4.4.1" />
+    <PackageReference Include="Castle.Core" Version="5.1.0" />
     <PackageReference Include="Castle.Core.AsyncInterceptor" Version="2.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.2" />
   </ItemGroup>