diff --git a/Lombiq.BaseTheme/Lombiq.BaseTheme.csproj b/Lombiq.BaseTheme/Lombiq.BaseTheme.csproj
index 8fd387e..879686f 100644
--- a/Lombiq.BaseTheme/Lombiq.BaseTheme.csproj
+++ b/Lombiq.BaseTheme/Lombiq.BaseTheme.csproj
@@ -46,7 +46,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(NuGetBuild)' == 'true'">
-    <PackageReference Include="Lombiq.HelpfulLibraries" Version="5.1.1" />
+    <PackageReference Include="Lombiq.HelpfulLibraries" Version="5.2.0" />
     <PackageReference Include="Lombiq.HelpfulExtensions" Version="5.0.0" />
     <PackageReference Include="Lombiq.NodeJs.Extensions" Version="1.2.3" />