diff --git a/CopyDatabase.csproj b/CopyDatabase.csproj
index 49f5d29..c7f5a26 100644
--- a/CopyDatabase.csproj
+++ b/CopyDatabase.csproj
@@ -90,7 +90,7 @@
       <Version>5.2.1</Version>
     </PackageReference>
     <PackageReference Include="MaterialDesignThemes.MahApps">
-      <Version>3.1.0</Version>
+      <Version>5.2.1</Version>
     </PackageReference>
     <PackageReference Include="Microsoft.CSharp" Version="4.7.0" />
     <PackageReference Include="Microsoft.Data.SqlClient" Version="6.0.2" />