diff --git a/osu.Server.DifficultyCalculator/osu.Server.DifficultyCalculator.csproj b/osu.Server.DifficultyCalculator/osu.Server.DifficultyCalculator.csproj
index d011865..add7276 100644
--- a/osu.Server.DifficultyCalculator/osu.Server.DifficultyCalculator.csproj
+++ b/osu.Server.DifficultyCalculator/osu.Server.DifficultyCalculator.csproj
@@ -18,10 +18,10 @@
         <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="5.0.0" />
         <PackageReference Include="MySqlConnector" Version="1.3.11" />
         <PackageReference Include="ppy.osu.Game" Version="2021.828.0" />
-        <PackageReference Include="ppy.osu.Game.Rulesets.Osu" Version="2021.731.0" />
-        <PackageReference Include="ppy.osu.Game.Rulesets.Taiko" Version="2021.731.0" />
-        <PackageReference Include="ppy.osu.Game.Rulesets.Catch" Version="2021.731.0" />
-        <PackageReference Include="ppy.osu.Game.Rulesets.Mania" Version="2021.731.0" />
+        <PackageReference Include="ppy.osu.Game.Rulesets.Osu" Version="2021.828.0" />
+        <PackageReference Include="ppy.osu.Game.Rulesets.Taiko" Version="2021.828.0" />
+        <PackageReference Include="ppy.osu.Game.Rulesets.Catch" Version="2021.828.0" />
+        <PackageReference Include="ppy.osu.Game.Rulesets.Mania" Version="2021.828.0" />
     </ItemGroup>
     <ItemGroup>
         <None Update="appsettings.*.json">