diff --git a/ContestProject/ContestProject.csproj b/ContestProject/ContestProject.csproj
index 5839e1a..5e5e965 100644
--- a/ContestProject/ContestProject.csproj
+++ b/ContestProject/ContestProject.csproj
@@ -33,7 +33,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Interactive" Version="6.0.3" />
+    <PackageReference Include="System.Interactive" Version="7.0.0" />
   </ItemGroup>
 
   <ItemGroup>