diff --git a/PerfectNumbers.Core/PerfectNumbers.Core.csproj b/PerfectNumbers.Core/PerfectNumbers.Core.csproj
index cf40ee4..f4ef795 100644
--- a/PerfectNumbers.Core/PerfectNumbers.Core.csproj
+++ b/PerfectNumbers.Core/PerfectNumbers.Core.csproj
@@ -12,7 +12,6 @@
     <PackageReference Include="Open.Numeric.Primes" Version="4.0.4" />
     <PackageReference Include="ILGPU" Version="1.5.3" />
     <PackageReference Include="ILGPU.Algorithms" Version="1.5.3" />
-    <PackageReference Include="lz4" Version="1.3.1.2" />
   </ItemGroup>
 
   <ItemGroup>