diff --git a/Zeroconf/Zeroconf.csproj b/Zeroconf/Zeroconf.csproj
index 0092af1b..a5065b84 100644
--- a/Zeroconf/Zeroconf.csproj
+++ b/Zeroconf/Zeroconf.csproj
@@ -21,7 +21,7 @@
     <EmbeddedResource Include="Properties\Zeroconf.rd.xml" />
     <PackageReference Include="Nerdbank.GitVersioning" Version="3.1.68" PrivateAssets="all" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.0.0" PrivateAssets="all" />
-    <PackageReference Include="System.Reactive" Version="4.2.0" />
+    <PackageReference Include="System.Reactive" Version="4.3.2" />
   </ItemGroup>
   
   <Target Name="AddCommitHashToAssemblyAttributes" BeforeTargets="GetAssemblyAttributes">