diff --git a/QueryKit.IntegrationTests/QueryKit.IntegrationTests.csproj b/QueryKit.IntegrationTests/QueryKit.IntegrationTests.csproj
index bede3ff..d33e876 100644
--- a/QueryKit.IntegrationTests/QueryKit.IntegrationTests.csproj
+++ b/QueryKit.IntegrationTests/QueryKit.IntegrationTests.csproj
@@ -13,7 +13,7 @@
         <PackageReference Include="Bogus" Version="35.6.1" />
         <PackageReference Include="Ductus.FluentDocker" Version="2.10.59" />
         <PackageReference Include="FluentAssertions" Version="7.0.0" />
-        <PackageReference Include="MediatR" Version="12.4.1" />
+        <PackageReference Include="MediatR" Version="13.1.0" />
         <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="9.0.0" />
         <PackageReference Include="CleanMoq" Version="1.0.0" />
diff --git a/QueryKit.WebApiTestProject/QueryKit.WebApiTestProject.csproj b/QueryKit.WebApiTestProject/QueryKit.WebApiTestProject.csproj
index bc46e02..9deecb4 100644
--- a/QueryKit.WebApiTestProject/QueryKit.WebApiTestProject.csproj
+++ b/QueryKit.WebApiTestProject/QueryKit.WebApiTestProject.csproj
@@ -9,7 +9,7 @@
     <ItemGroup>
         <PackageReference Include="Ardalis.SmartEnum" Version="8.2.0" />
         <PackageReference Include="EFCore.NamingConventions" Version="9.0.0" />
-        <PackageReference Include="MediatR" Version="12.4.1" />
+        <PackageReference Include="MediatR" Version="13.1.0" />
         <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.0" />
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.1" />
         <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.0" />
diff --git a/SharedTestingHelper/SharedTestingHelper.csproj b/SharedTestingHelper/SharedTestingHelper.csproj
index 90607d8..616855c 100644
--- a/SharedTestingHelper/SharedTestingHelper.csproj
+++ b/SharedTestingHelper/SharedTestingHelper.csproj
@@ -13,6 +13,7 @@
     </ItemGroup>
 
     <ItemGroup>
+      <PackageReference Include="MediatR" Version="13.1.0" />
         <ProjectReference Include="..\QueryKit.WebApiTestProject\QueryKit.WebApiTestProject.csproj" />
     </ItemGroup>
 </Project>