diff --git a/sidecars/SharpLsp.Sidecar.CSharp/SharpLsp.Sidecar.CSharp.csproj b/sidecars/SharpLsp.Sidecar.CSharp/SharpLsp.Sidecar.CSharp.csproj
index 51ad74e7..ad32d44a 100644
--- a/sidecars/SharpLsp.Sidecar.CSharp/SharpLsp.Sidecar.CSharp.csproj
+++ b/sidecars/SharpLsp.Sidecar.CSharp/SharpLsp.Sidecar.CSharp.csproj
@@ -36,7 +36,7 @@
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Features" Version="5.3.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.3.0" />
         <PackageReference Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="5.3.0" />
-        <PackageReference Include="ICSharpCode.Decompiler" Version="9.1.0.7988" />
+        <PackageReference Include="ICSharpCode.Decompiler" Version="10.1.0.8386" />
         <PackageReference Include="MessagePack" Version="3.1.3" />
     </ItemGroup>
 </Project>