diff --git a/uActivityPub.Tests/uActivityPub.Tests.csproj b/uActivityPub.Tests/uActivityPub.Tests.csproj
index 31d3481..6557c44 100644
--- a/uActivityPub.Tests/uActivityPub.Tests.csproj
+++ b/uActivityPub.Tests/uActivityPub.Tests.csproj
@@ -11,7 +11,7 @@
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
         <PackageReference Include="Moq" Version="4.20.69" />
         <PackageReference Include="RichardSzalay.MockHttp" Version="7.0.0" />
-        <PackageReference Include="Umbraco.Cms.Core" Version="10.7.0" />
+        <PackageReference Include="Umbraco.Cms.Core" Version="11.5.0" />
         <PackageReference Include="Umbraco.Cms.Infrastructure" Version="10.7.0" />
         <PackageReference Include="Umbraco.Cms.Web.Common" Version="10.7.0" />
         <PackageReference Include="xunit" Version="2.6.2" />
diff --git a/uActivityPub/uActivityPub.csproj b/uActivityPub/uActivityPub.csproj
index e6753b2..82f5dcb 100644
--- a/uActivityPub/uActivityPub.csproj
+++ b/uActivityPub/uActivityPub.csproj
@@ -39,7 +39,7 @@
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
           <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Umbraco.Cms.Core" Version="10.7.0" />
+        <PackageReference Include="Umbraco.Cms.Core" Version="11.5.0" />
         <PackageReference Include="Umbraco.Cms.Infrastructure" Version="10.7.0" />
         <PackageReference Include="Umbraco.Cms.Web.Common" Version="10.7.0" />
     </ItemGroup>