diff --git a/NuGetTest/src/Lombiq.OSOCE.NuGet.Web/Lombiq.OSOCE.NuGet.Web.csproj b/NuGetTest/src/Lombiq.OSOCE.NuGet.Web/Lombiq.OSOCE.NuGet.Web.csproj
index d46fcc16f..7f103d42f 100644
--- a/NuGetTest/src/Lombiq.OSOCE.NuGet.Web/Lombiq.OSOCE.NuGet.Web.csproj
+++ b/NuGetTest/src/Lombiq.OSOCE.NuGet.Web/Lombiq.OSOCE.NuGet.Web.csproj
@@ -47,8 +47,8 @@
     <PackageReference Include="Lombiq.Privacy" Version="7.0.2-alpha.2.osoe-638" />
     <PackageReference Include="Lombiq.Privacy.Samples" Version="7.0.2-alpha.2.osoe-638" />
     <PackageReference Include="Lombiq.SetupExtensions" Version="5.0.0" />
-    <PackageReference Include="Lombiq.Tests.UI.AppExtensions" Version="8.2.1-alpha.5.osoe-351" />
-    <PackageReference Include="Lombiq.Tests.UI.Shortcuts" Version="8.2.1-alpha.5.osoe-351" />
+    <PackageReference Include="Lombiq.Tests.UI.AppExtensions" Version="8.2.1-alpha.6.osoe-351" />
+    <PackageReference Include="Lombiq.Tests.UI.Shortcuts" Version="8.2.1-alpha.6.osoe-351" />
     <PackageReference Include="Lombiq.UIKit" Version="6.0.1-alpha.0.osoe-638" />
     <PackageReference Include="Lombiq.VueJs" Version="3.0.1-alpha.0.osoe-638" />
     <PackageReference Include="Lombiq.VueJs.Samples" Version="3.0.1-alpha.0.osoe-638" />
diff --git a/NuGetTest/src/Modules/Lombiq.OSOCE.NuGet.TestModule/Lombiq.OSOCE.NuGet.TestModule.csproj b/NuGetTest/src/Modules/Lombiq.OSOCE.NuGet.TestModule/Lombiq.OSOCE.NuGet.TestModule.csproj
index 355206270..7cc730af0 100644
--- a/NuGetTest/src/Modules/Lombiq.OSOCE.NuGet.TestModule/Lombiq.OSOCE.NuGet.TestModule.csproj
+++ b/NuGetTest/src/Modules/Lombiq.OSOCE.NuGet.TestModule/Lombiq.OSOCE.NuGet.TestModule.csproj
@@ -16,7 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Lombiq.HelpfulLibraries" Version="8.0.3-alpha.2.osoe-351" />
+    <PackageReference Include="Lombiq.HelpfulLibraries" Version="8.1.0" />
     <PackageReference Include="OrchardCore.Module.Targets" Version="1.7.0" />
     <PackageReference Include="OrchardCore.ContentManagement" Version="1.7.0" />
     <PackageReference Include="OrchardCore.ContentTypes.Abstractions" Version="1.7.0" />
diff --git a/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests.UI/Lombiq.OSOCE.NuGet.Tests.UI.csproj b/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests.UI/Lombiq.OSOCE.NuGet.Tests.UI.csproj
index 6f62a53ee..6bea20471 100644
--- a/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests.UI/Lombiq.OSOCE.NuGet.Tests.UI.csproj
+++ b/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests.UI/Lombiq.OSOCE.NuGet.Tests.UI.csproj
@@ -34,7 +34,7 @@
     <PackageReference Include="Lombiq.OrchardCoreApiClient.Tests.UI" Version="4.0.1-alpha.0.osoe-638" />
     <PackageReference Include="Lombiq.Privacy.Tests.UI" Version="7.0.2-alpha.2.osoe-638" />
     <PackageReference Include="Lombiq.HelpfulExtensions.Tests.UI" Version="7.0.2-alpha.2.osoe-683" />
-    <PackageReference Include="Lombiq.Tests.UI" Version="8.2.1-alpha.5.osoe-351" />
+    <PackageReference Include="Lombiq.Tests.UI" Version="8.2.1-alpha.6.osoe-351" />
     <PackageReference Include="Lombiq.VueJs.Tests.UI" Version="3.0.1-alpha.0.osoe-638" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.1">
diff --git a/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests/Lombiq.OSOCE.NuGet.Tests.csproj b/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests/Lombiq.OSOCE.NuGet.Tests.csproj
index 61badc14e..c08ab31f9 100644
--- a/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests/Lombiq.OSOCE.NuGet.Tests.csproj
+++ b/NuGetTest/test/Lombiq.OSOCE.NuGet.Tests/Lombiq.OSOCE.NuGet.Tests.csproj
@@ -5,7 +5,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Lombiq.HelpfulLibraries" Version="8.0.3-alpha.2.osoe-351" />
+    <PackageReference Include="Lombiq.HelpfulLibraries" Version="8.1.0" />
     <PackageReference Include="Lombiq.Tests" Version="2.2.5" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.1">
diff --git a/src/Libraries/Lombiq.HelpfulLibraries b/src/Libraries/Lombiq.HelpfulLibraries
index 83df679d3..9346c1c5d 160000
--- a/src/Libraries/Lombiq.HelpfulLibraries
+++ b/src/Libraries/Lombiq.HelpfulLibraries
@@ -1 +1 @@
-Subproject commit 83df679d35209c368b0fc8ed5b3ade2b03708c18
+Subproject commit 9346c1c5daa632afb6f1127ad5547d578680a246
diff --git a/src/Modules/Lombiq.TrainingDemo b/src/Modules/Lombiq.TrainingDemo
index a81ac1a1b..b5611dfeb 160000
--- a/src/Modules/Lombiq.TrainingDemo
+++ b/src/Modules/Lombiq.TrainingDemo
@@ -1 +1 @@
-Subproject commit a81ac1a1b49fcb6c63208a6cb3248bebc17434e2
+Subproject commit b5611dfeb1245a5b260dc2f879507319c027e62e
diff --git a/test/Lombiq.UITestingToolbox b/test/Lombiq.UITestingToolbox
index 72496e9f4..659d8a3e4 160000
--- a/test/Lombiq.UITestingToolbox
+++ b/test/Lombiq.UITestingToolbox
@@ -1 +1 @@
-Subproject commit 72496e9f40e9cbeb19f6824c0daf8ce4e7ab5463
+Subproject commit 659d8a3e4bafc41fb09ee8242c8f14dbec1074ed