diff --git a/IntegrationTests/IntegrationTests.csproj b/IntegrationTests/IntegrationTests.csproj
index b1dbf79..45fa3e6 100644
--- a/IntegrationTests/IntegrationTests.csproj
+++ b/IntegrationTests/IntegrationTests.csproj
@@ -39,7 +39,7 @@
 		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
 		<PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="18.0.1" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="NSubstitute" Version="5.3.0" />
+		<PackageReference Include="NSubstitute" Version="6.0.0" />
 		<PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
 		<PackageReference Include="System.Net.Http" Version="4.3.4" />
 		<PackageReference Include="xunit" Version="2.9.3" />
diff --git a/UnitTests/UnitTests.csproj b/UnitTests/UnitTests.csproj
index a0fabd3..c39cdb4 100644
--- a/UnitTests/UnitTests.csproj
+++ b/UnitTests/UnitTests.csproj
@@ -47,7 +47,7 @@
 		<PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
 		<PackageReference Include="Microsoft.TestPlatform.ObjectModel" Version="18.0.1" />
 		<PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
-		<PackageReference Include="NSubstitute" Version="5.3.0" />
+		<PackageReference Include="NSubstitute" Version="6.0.0" />
 		<PackageReference Include="System.Data.DataSetExtensions" Version="4.5.0" />
 		<PackageReference Include="System.Net.Http" Version="4.3.4" />
 		<PackageReference Include="xunit" Version="2.9.3" />