diff --git a/src/NServiceBus.Storage.MongoDB.AcceptanceTests/NServiceBus.Storage.MongoDB.AcceptanceTests.csproj b/src/NServiceBus.Storage.MongoDB.AcceptanceTests/NServiceBus.Storage.MongoDB.AcceptanceTests.csproj
index 00de3f1e..ee4a6fa9 100644
--- a/src/NServiceBus.Storage.MongoDB.AcceptanceTests/NServiceBus.Storage.MongoDB.AcceptanceTests.csproj
+++ b/src/NServiceBus.Storage.MongoDB.AcceptanceTests/NServiceBus.Storage.MongoDB.AcceptanceTests.csproj
@@ -12,9 +12,20 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
-    <PackageReference Include="NServiceBus.AcceptanceTests.Sources" Version="9.0.0" />
+    <PackageReference Include="NServiceBus.AcceptanceTests.Sources" Version="9.1.0" GeneratePathProperty="true" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(PkgNServiceBus_AcceptanceTests_Sources)' != ''">
+    <!--
+    TODO: The following two tests were not meant to be included in the sources. A fix has been merged to Core master and release-9.1 in:
+    - https://github.com/Particular/NServiceBus/pull/7121
+    - https://github.com/Particular/NServiceBus/pull/7122
+    The following two MSBuild elements can be removed once a version of the ATT source package is released
+    -->
+    <Compile Remove="$(PkgNServiceBus_AcceptanceTests_Sources)\**\Core\DependencyInjection\When_resolving_address_translator.cs" />
+    <Compile Remove="$(PkgNServiceBus_AcceptanceTests_Sources)\**\Core\OpenTelemetry\Metrics\When_retrying_messages.cs" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests.csproj b/src/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests.csproj
index 00de3f1e..ee4a6fa9 100644
--- a/src/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests.csproj
+++ b/src/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests/NServiceBus.Storage.MongoDB.NoTx.AcceptanceTests.csproj
@@ -12,9 +12,20 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
-    <PackageReference Include="NServiceBus.AcceptanceTests.Sources" Version="9.0.0" />
+    <PackageReference Include="NServiceBus.AcceptanceTests.Sources" Version="9.1.0" GeneratePathProperty="true" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
 
+  <ItemGroup Condition="'$(PkgNServiceBus_AcceptanceTests_Sources)' != ''">
+    <!--
+    TODO: The following two tests were not meant to be included in the sources. A fix has been merged to Core master and release-9.1 in:
+    - https://github.com/Particular/NServiceBus/pull/7121
+    - https://github.com/Particular/NServiceBus/pull/7122
+    The following two MSBuild elements can be removed once a version of the ATT source package is released
+    -->
+    <Compile Remove="$(PkgNServiceBus_AcceptanceTests_Sources)\**\Core\DependencyInjection\When_resolving_address_translator.cs" />
+    <Compile Remove="$(PkgNServiceBus_AcceptanceTests_Sources)\**\Core\OpenTelemetry\Metrics\When_retrying_messages.cs" />
+  </ItemGroup>
+
 </Project>
diff --git a/src/NServiceBus.Storage.MongoDB.PersistenceTests/NServiceBus.Storage.MongoDB.PersistenceTests.csproj b/src/NServiceBus.Storage.MongoDB.PersistenceTests/NServiceBus.Storage.MongoDB.PersistenceTests.csproj
index 2176825f..f7271437 100644
--- a/src/NServiceBus.Storage.MongoDB.PersistenceTests/NServiceBus.Storage.MongoDB.PersistenceTests.csproj
+++ b/src/NServiceBus.Storage.MongoDB.PersistenceTests/NServiceBus.Storage.MongoDB.PersistenceTests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
-    <PackageReference Include="NServiceBus.PersistenceTests.Sources" Version="9.0.0" />
+    <PackageReference Include="NServiceBus.PersistenceTests.Sources" Version="9.1.0" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
diff --git a/src/NServiceBus.Storage.MongoDB.Tests/NServiceBus.Storage.MongoDB.Tests.csproj b/src/NServiceBus.Storage.MongoDB.Tests/NServiceBus.Storage.MongoDB.Tests.csproj
index 313d7a26..efbb6caf 100644
--- a/src/NServiceBus.Storage.MongoDB.Tests/NServiceBus.Storage.MongoDB.Tests.csproj
+++ b/src/NServiceBus.Storage.MongoDB.Tests/NServiceBus.Storage.MongoDB.Tests.csproj
@@ -12,7 +12,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
-    <PackageReference Include="NServiceBus" Version="9.0.0" />
+    <PackageReference Include="NServiceBus" Version="9.1.0" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="Particular.Approvals" Version="1.0.0" />
diff --git a/src/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests.csproj b/src/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests.csproj
index 863d9f4f..27fcec3b 100644
--- a/src/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests.csproj
+++ b/src/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests/NServiceBus.Storage.MongoDB.TransactionalSession.AcceptanceTests.csproj
@@ -14,7 +14,7 @@
     <PackageReference Include="GitHubActionsTestLogger" Version="2.4.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.10.0" />
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
-    <PackageReference Include="NServiceBus.AcceptanceTesting" Version="9.0.0" />
+    <PackageReference Include="NServiceBus.AcceptanceTesting" Version="9.1.0" />
     <PackageReference Include="NServiceBus.TransactionalSession" Version="3.0.0" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
diff --git a/src/NServiceBus.Storage.MongoDB.TransactionalSession.Tests/NServiceBus.Storage.MongoDB.TransactionalSession.Tests.csproj b/src/NServiceBus.Storage.MongoDB.TransactionalSession.Tests/NServiceBus.Storage.MongoDB.TransactionalSession.Tests.csproj
index 0de6e6aa..dd6483cf 100644
--- a/src/NServiceBus.Storage.MongoDB.TransactionalSession.Tests/NServiceBus.Storage.MongoDB.TransactionalSession.Tests.csproj
+++ b/src/NServiceBus.Storage.MongoDB.TransactionalSession.Tests/NServiceBus.Storage.MongoDB.TransactionalSession.Tests.csproj
@@ -17,7 +17,7 @@
 
   <ItemGroup>
     <PackageReference Include="MongoDB.Driver" Version="2.24.0" />
-    <PackageReference Include="NServiceBus" Version="9.0.0" />
+    <PackageReference Include="NServiceBus" Version="9.1.0" />
     <PackageReference Include="NServiceBus.TransactionalSession" Version="3.0.0" />
     <PackageReference Include="Particular.Approvals" Version="1.0.0" />
     <PackageReference Include="PublicApiGenerator" Version="11.1.0" />