diff --git a/src/Punchclock/Punchclock.csproj b/src/Punchclock/Punchclock.csproj
index c0ee8a4..7616887 100644
--- a/src/Punchclock/Punchclock.csproj
+++ b/src/Punchclock/Punchclock.csproj
@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Reactive" Version="6.0.2" />
+    <PackageReference Include="System.Reactive" Version="6.1.0" />
   </ItemGroup>
 
 </Project>