diff --git a/src/BaroquenMelody.Library/BaroquenMelody.Library.csproj b/src/BaroquenMelody.Library/BaroquenMelody.Library.csproj
index a0373ff..b184aff 100644
--- a/src/BaroquenMelody.Library/BaroquenMelody.Library.csproj
+++ b/src/BaroquenMelody.Library/BaroquenMelody.Library.csproj
@@ -13,7 +13,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Atrea.PolicyEngine" Version="4.1.0" />
+    <PackageReference Include="Atrea.PolicyEngine" Version="5.0.0" />
     <PackageReference Include="Atrea.Utilities" Version="1.0.0" />
     <PackageReference Include="LazyCart" Version="0.4.5" />
     <PackageReference Include="Meziantou.Analyzer" Version="2.0.186">