diff --git a/Directory.Packages.props b/Directory.Packages.props
index 5071e7bb..29c5f1d4 100644
--- a/Directory.Packages.props
+++ b/Directory.Packages.props
@@ -6,7 +6,7 @@
   <ItemGroup>
 
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.0" />
-    <PackageVersion Include="NSubstitute" Version="5.1.0" />
+    <PackageVersion Include="NSubstitute" Version="5.3.0" />
     <PackageVersion Include="nunit" Version="4.2.2" />
     <PackageVersion Include="nunit.engine" Version="3.18.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
diff --git a/src/NUnitTestAdapterTests/NUnit.TestAdapter.Tests.csproj b/src/NUnitTestAdapterTests/NUnit.TestAdapter.Tests.csproj
index 87db2627..ffd58b12 100644
--- a/src/NUnitTestAdapterTests/NUnit.TestAdapter.Tests.csproj
+++ b/src/NUnitTestAdapterTests/NUnit.TestAdapter.Tests.csproj
@@ -25,7 +25,7 @@
   <ItemGroup Condition=" '$(TargetFramework)' == 'net462' ">
     <PackageReference Include="NUnit"  />
     
-    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" VersionOverride="11.0.0" />
+    <PackageReference Include="Microsoft.TestPlatform.ObjectModel" VersionOverride="17.11.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(TargetFrameworkIdentifier)' == '.NETCoreApp'">